217712628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^3$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 672322560

約数和(自身を除く): 454609932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 31, 36, 42, 58, 62, 63, 84, 87, 93, 116, 124, 126, 174, 186, 203, 217, 252, 261, 279, 348, 372, 406, 434, 522, 558, 609, 651, 812, 868, 899, 961, 1044, 1116, 1218, 1302, 1798, 1827, 1922, 1953, 2436, 2604, 2697, 2883, 3596, 3654, 3844, 3906, 5394, 5766, 6293, 6727, 7308, 7812, 8091, 8649, 10788, 11532, 12586, 13454, 16182, 17298, 18879, 20181, 25172, 26908, 27869, 29791, 32364, 34596, 37758, 40362, 55738, 56637, 59582, 60543, 75516, 80724, 83607, 89373, 111476, 113274, 119164, 121086, 167214, 178746, 195083, 208537, 226548, 242172, 250821, 268119, 334428, 357492, 390166, 417074, 501642, 536238, 585249, 625611, 780332, 834148, 863939, 1003284, 1072476, 1170498, 1251222, 1727878, 1755747, 1876833, 2340996, 2502444, 2591817, 3455756, 3511494, 3753666, 5183634, 6047573, 7022988, 7507332, 7775451, 10367268, 12095146, 15550902, 18142719, 24190292, 31101804, 36285438, 54428157, 72570876, 108856314, 217712628]

約数ペア:

[(1, 217712628), (2, 108856314), (3, 72570876), (4, 54428157), (6, 36285438), (7, 31101804), (9, 24190292), (12, 18142719), (14, 15550902), (18, 12095146), (21, 10367268), (28, 7775451), (29, 7507332), (31, 7022988), (36, 6047573), (42, 5183634), (58, 3753666), (62, 3511494), (63, 3455756), (84, 2591817), (87, 2502444), (93, 2340996), (116, 1876833), (124, 1755747), (126, 1727878), (174, 1251222), (186, 1170498), (203, 1072476), (217, 1003284), (252, 863939), (261, 834148), (279, 780332), (348, 625611), (372, 585249), (406, 536238), (434, 501642), (522, 417074), (558, 390166), (609, 357492), (651, 334428), (812, 268119), (868, 250821), (899, 242172), (961, 226548), (1044, 208537), (1116, 195083), (1218, 178746), (1302, 167214), (1798, 121086), (1827, 119164), (1922, 113274), (1953, 111476), (2436, 89373), (2604, 83607), (2697, 80724), (2883, 75516), (3596, 60543), (3654, 59582), (3844, 56637), (3906, 55738), (5394, 40362), (5766, 37758), (6293, 34596), (6727, 32364), (7308, 29791), (7812, 27869), (8091, 26908), (8649, 25172), (10788, 20181), (11532, 18879), (12586, 17298), (13454, 16182)]