66974875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 92671488

約数和(自身を除く): 25696613

約数列:

[1, 5, 11, 25, 55, 67, 125, 275, 335, 727, 737, 1375, 1675, 3635, 3685, 7997, 8375, 18175, 18425, 39985, 48709, 90875, 92125, 199925, 243545, 535799, 999625, 1217725, 2678995, 6088625, 13394975, 66974875]

約数ペア:

[(1, 66974875), (5, 13394975), (11, 6088625), (25, 2678995), (55, 1217725), (67, 999625), (125, 535799), (275, 243545), (335, 199925), (727, 92125), (737, 90875), (1375, 48709), (1675, 39985), (3635, 18425), (3685, 18175), (7997, 8375)]