31187166530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:652

約数の個数: 128

約数和(自身を含む): 63368718336

約数和(自身を除く): 32181551806

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 163, 197, 241, 310, 326, 394, 403, 482, 806, 815, 985, 1205, 1630, 1970, 2015, 2119, 2410, 2561, 3133, 4030, 4238, 5053, 5122, 6107, 6266, 7471, 10106, 10595, 12214, 12805, 14942, 15665, 21190, 25265, 25610, 30535, 31330, 32111, 37355, 39283, 47477, 50530, 61070, 64222, 65689, 74710, 78566, 79391, 94954, 97123, 131378, 158782, 160555, 194246, 196415, 237385, 321110, 328445, 392830, 396955, 417443, 474770, 485615, 510679, 617201, 656890, 793910, 834886, 971230, 995441, 1021358, 1217773, 1234402, 1471787, 1990882, 2087215, 2435546, 2553395, 2943574, 3086005, 4174430, 4977205, 5106790, 6088865, 6172010, 7358935, 7738751, 9954410, 12177730, 12940733, 14717870, 15477502, 15831049, 19133231, 25881466, 31662098, 38266462, 38693755, 64703665, 77387510, 79155245, 95666155, 100603763, 129407330, 158310490, 191332310, 201207526, 239901281, 479802562, 503018815, 1006037630, 1199506405, 2399012810, 3118716653, 6237433306, 15593583265, 31187166530]

約数ペア:

[(1, 31187166530), (2, 15593583265), (5, 6237433306), (10, 3118716653), (13, 2399012810), (26, 1199506405), (31, 1006037630), (62, 503018815), (65, 479802562), (130, 239901281), (155, 201207526), (163, 191332310), (197, 158310490), (241, 129407330), (310, 100603763), (326, 95666155), (394, 79155245), (403, 77387510), (482, 64703665), (806, 38693755), (815, 38266462), (985, 31662098), (1205, 25881466), (1630, 19133231), (1970, 15831049), (2015, 15477502), (2119, 14717870), (2410, 12940733), (2561, 12177730), (3133, 9954410), (4030, 7738751), (4238, 7358935), (5053, 6172010), (5122, 6088865), (6107, 5106790), (6266, 4977205), (7471, 4174430), (10106, 3086005), (10595, 2943574), (12214, 2553395), (12805, 2435546), (14942, 2087215), (15665, 1990882), (21190, 1471787), (25265, 1234402), (25610, 1217773), (30535, 1021358), (31330, 995441), (32111, 971230), (37355, 834886), (39283, 793910), (47477, 656890), (50530, 617201), (61070, 510679), (64222, 485615), (65689, 474770), (74710, 417443), (78566, 396955), (79391, 392830), (94954, 328445), (97123, 321110), (131378, 237385), (158782, 196415), (160555, 194246)]