78865930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 168448896

約数和(自身を除く): 89582966

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 131, 143, 262, 286, 421, 655, 715, 842, 1310, 1430, 1441, 1703, 2105, 2882, 3406, 4210, 4631, 5473, 7205, 8515, 9262, 10946, 14410, 17030, 18733, 23155, 27365, 37466, 46310, 54730, 55151, 60203, 93665, 110302, 120406, 187330, 275755, 301015, 551510, 602030, 606661, 716963, 1213322, 1433926, 3033305, 3584815, 6066610, 7169630, 7886593, 15773186, 39432965, 78865930]

約数ペア:

[(1, 78865930), (2, 39432965), (5, 15773186), (10, 7886593), (11, 7169630), (13, 6066610), (22, 3584815), (26, 3033305), (55, 1433926), (65, 1213322), (110, 716963), (130, 606661), (131, 602030), (143, 551510), (262, 301015), (286, 275755), (421, 187330), (655, 120406), (715, 110302), (842, 93665), (1310, 60203), (1430, 55151), (1441, 54730), (1703, 46310), (2105, 37466), (2882, 27365), (3406, 23155), (4210, 18733), (4631, 17030), (5473, 14410), (7205, 10946), (8515, 9262)]