25719398

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 15752602

約数列:

[1, 2, 31, 59, 62, 79, 89, 118, 158, 178, 1829, 2449, 2759, 3658, 4661, 4898, 5251, 5518, 7031, 9322, 10502, 14062, 144491, 162781, 217961, 288982, 325562, 414829, 435922, 829658, 12859699, 25719398]

約数ペア:

[(1, 25719398), (2, 12859699), (31, 829658), (59, 435922), (62, 414829), (79, 325562), (89, 288982), (118, 217961), (158, 162781), (178, 144491), (1829, 14062), (2449, 10502), (2759, 9322), (3658, 7031), (4661, 5518), (4898, 5251)]