420731008

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{106031}}^1$

素因数の和:106076

約数の個数: 32

約数和(自身を含む): 865221120

約数和(自身を除く): 444490112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 106031, 212062, 424124, 848248, 1696496, 3286961, 3392992, 6573922, 6785984, 13147844, 13571968, 26295688, 52591376, 105182752, 210365504, 420731008]

約数ペア:

[(1, 420731008), (2, 210365504), (4, 105182752), (8, 52591376), (16, 26295688), (31, 13571968), (32, 13147844), (62, 6785984), (64, 6573922), (124, 3392992), (128, 3286961), (248, 1696496), (496, 848248), (992, 424124), (1984, 212062), (3968, 106031)]