1401474815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 1999613952

約数和(自身を除く): 598139137

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 163, 221, 251, 403, 527, 815, 1105, 1255, 2015, 2119, 2635, 2771, 3263, 4267, 5053, 6851, 7781, 10595, 13855, 16315, 21335, 25265, 34255, 36023, 38905, 40913, 55471, 65689, 85901, 101153, 132277, 180115, 204565, 277355, 328445, 429505, 505765, 531869, 661385, 695521, 1116713, 1268303, 1719601, 2659345, 3477605, 5583565, 6341515, 8598005, 9041773, 16487939, 21561151, 45208865, 82439695, 107805755, 280294963, 1401474815]

約数ペア:

[(1, 1401474815), (5, 280294963), (13, 107805755), (17, 82439695), (31, 45208865), (65, 21561151), (85, 16487939), (155, 9041773), (163, 8598005), (221, 6341515), (251, 5583565), (403, 3477605), (527, 2659345), (815, 1719601), (1105, 1268303), (1255, 1116713), (2015, 695521), (2119, 661385), (2635, 531869), (2771, 505765), (3263, 429505), (4267, 328445), (5053, 277355), (6851, 204565), (7781, 180115), (10595, 132277), (13855, 101153), (16315, 85901), (21335, 65689), (25265, 55471), (34255, 40913), (36023, 38905)]