156789721175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1321}}^1\times {\mathrm{1447}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 207222040512

約数和(自身を除く): 50432319337

約数列:

[1, 5, 17, 25, 85, 193, 425, 965, 1321, 1447, 3281, 4825, 6605, 7235, 16405, 22457, 24599, 33025, 36175, 82025, 112285, 122995, 254953, 279271, 561425, 614975, 1274765, 1396355, 1911487, 4334201, 4747607, 6373825, 6981775, 9557435, 21671005, 23738035, 32495279, 47787175, 108355025, 118690175, 162476395, 368916991, 812381975, 1844584955, 6271588847, 9222924775, 31357944235, 156789721175]

約数ペア:

[(1, 156789721175), (5, 31357944235), (17, 9222924775), (25, 6271588847), (85, 1844584955), (193, 812381975), (425, 368916991), (965, 162476395), (1321, 118690175), (1447, 108355025), (3281, 47787175), (4825, 32495279), (6605, 23738035), (7235, 21671005), (16405, 9557435), (22457, 6981775), (24599, 6373825), (33025, 4747607), (36175, 4334201), (82025, 1911487), (112285, 1396355), (122995, 1274765), (254953, 614975), (279271, 561425)]