4280728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 8507520

約数和(自身を除く): 4226792

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 421, 842, 1271, 1684, 2542, 3368, 5084, 10168, 13051, 17261, 26102, 34522, 52204, 69044, 104408, 138088, 535091, 1070182, 2140364, 4280728]

約数ペア:

[(1, 4280728), (2, 2140364), (4, 1070182), (8, 535091), (31, 138088), (41, 104408), (62, 69044), (82, 52204), (124, 34522), (164, 26102), (248, 17261), (328, 13051), (421, 10168), (842, 5084), (1271, 3368), (1684, 2542)]