987247625

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 1527052800

約数和(自身を除く): 539805175

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 229, 325, 379, 455, 875, 1145, 1603, 1625, 1895, 2275, 2653, 2977, 4927, 5725, 8015, 9475, 11375, 13265, 14885, 20839, 24635, 28625, 34489, 40075, 47375, 66325, 74425, 86791, 104195, 123175, 172445, 200375, 331625, 372125, 433955, 520975, 607537, 615875, 862225, 1128283, 2169775, 2604875, 3037685, 4311125, 5641415, 7897981, 10848875, 15188425, 28207075, 39489905, 75942125, 141035375, 197449525, 987247625]

約数ペア:

[(1, 987247625), (5, 197449525), (7, 141035375), (13, 75942125), (25, 39489905), (35, 28207075), (65, 15188425), (91, 10848875), (125, 7897981), (175, 5641415), (229, 4311125), (325, 3037685), (379, 2604875), (455, 2169775), (875, 1128283), (1145, 862225), (1603, 615875), (1625, 607537), (1895, 520975), (2275, 433955), (2653, 372125), (2977, 331625), (4927, 200375), (5725, 172445), (8015, 123175), (9475, 104195), (11375, 86791), (13265, 74425), (14885, 66325), (20839, 47375), (24635, 40075), (28625, 34489)]