31938620545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^3$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 45277081920

約数和(自身を除く): 13338461375

約数列:

[1, 5, 13, 17, 41, 65, 85, 89, 205, 221, 445, 533, 697, 1105, 1157, 1513, 2665, 3485, 3649, 5785, 7565, 7921, 9061, 18245, 19669, 39605, 45305, 47437, 62033, 98345, 102973, 134657, 237185, 310165, 324761, 514865, 673285, 704969, 806429, 1623805, 1750541, 3524845, 4032145, 4221893, 5520937, 8752705, 9164597, 11984473, 21109465, 27604685, 28903729, 45822985, 59922365, 71772181, 144518645, 155798149, 358860905, 375748477, 491363393, 778990745, 1878742385, 2456816965, 6387724109, 31938620545]

約数ペア:

[(1, 31938620545), (5, 6387724109), (13, 2456816965), (17, 1878742385), (41, 778990745), (65, 491363393), (85, 375748477), (89, 358860905), (205, 155798149), (221, 144518645), (445, 71772181), (533, 59922365), (697, 45822985), (1105, 28903729), (1157, 27604685), (1513, 21109465), (2665, 11984473), (3485, 9164597), (3649, 8752705), (5785, 5520937), (7565, 4221893), (7921, 4032145), (9061, 3524845), (18245, 1750541), (19669, 1623805), (39605, 806429), (45305, 704969), (47437, 673285), (62033, 514865), (98345, 324761), (102973, 310165), (134657, 237185)]