28653625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 48222720

約数和(自身を除く): 19569095

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 125, 143, 175, 229, 275, 325, 385, 455, 715, 875, 1001, 1145, 1375, 1603, 1625, 1925, 2275, 2519, 2977, 3575, 5005, 5725, 8015, 9625, 11375, 12595, 14885, 17633, 17875, 20839, 25025, 28625, 32747, 40075, 62975, 74425, 88165, 104195, 125125, 163735, 200375, 229229, 314875, 372125, 440825, 520975, 818675, 1146145, 2204125, 2604875, 4093375, 5730725, 28653625]

約数ペア:

[(1, 28653625), (5, 5730725), (7, 4093375), (11, 2604875), (13, 2204125), (25, 1146145), (35, 818675), (55, 520975), (65, 440825), (77, 372125), (91, 314875), (125, 229229), (143, 200375), (175, 163735), (229, 125125), (275, 104195), (325, 88165), (385, 74425), (455, 62975), (715, 40075), (875, 32747), (1001, 28625), (1145, 25025), (1375, 20839), (1603, 17875), (1625, 17633), (1925, 14885), (2275, 12595), (2519, 11375), (2977, 9625), (3575, 8015), (5005, 5725)]