72415525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 111798400

約数和(自身を除く): 39382875

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 139, 175, 229, 325, 455, 695, 973, 1145, 1603, 1807, 2275, 2977, 3475, 4865, 5725, 8015, 9035, 12649, 14885, 20839, 24325, 31831, 40075, 45175, 63245, 74425, 104195, 159155, 222817, 316225, 413803, 520975, 795775, 1114085, 2069015, 2896621, 5570425, 10345075, 14483105, 72415525]

約数ペア:

[(1, 72415525), (5, 14483105), (7, 10345075), (13, 5570425), (25, 2896621), (35, 2069015), (65, 1114085), (91, 795775), (139, 520975), (175, 413803), (229, 316225), (325, 222817), (455, 159155), (695, 104195), (973, 74425), (1145, 63245), (1603, 45175), (1807, 40075), (2275, 31831), (2977, 24325), (3475, 20839), (4865, 14885), (5725, 12649), (8015, 9035)]