388601512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{70501}}^1$

素因数の和:70573

約数の個数: 32

約数和(自身を含む): 799492680

約数和(自身を除く): 410891168

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 70501, 141002, 282004, 564008, 916513, 1833026, 3666052, 3736553, 7332104, 7473106, 14946212, 29892424, 48575189, 97150378, 194300756, 388601512]

約数ペア:

[(1, 388601512), (2, 194300756), (4, 97150378), (8, 48575189), (13, 29892424), (26, 14946212), (52, 7473106), (53, 7332104), (104, 3736553), (106, 3666052), (212, 1833026), (424, 916513), (689, 564008), (1378, 282004), (2756, 141002), (5512, 70501)]