25591709

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 6922339

約数列:

[1, 11, 13, 23, 31, 143, 251, 253, 299, 341, 403, 713, 2761, 3263, 3289, 4433, 5773, 7781, 7843, 9269, 35893, 63503, 75049, 85591, 101153, 101959, 178963, 825539, 1112683, 1968593, 2326519, 25591709]

約数ペア:

[(1, 25591709), (11, 2326519), (13, 1968593), (23, 1112683), (31, 825539), (143, 178963), (251, 101959), (253, 101153), (299, 85591), (341, 75049), (403, 63503), (713, 35893), (2761, 9269), (3263, 7843), (3289, 7781), (4433, 5773)]