681680508728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{4013}}^1\times {\mathrm{1117553}}^1$

素因数の和:1121591

約数の個数: 32

約数和(自身を含む): 1345758526800

約数和(自身を除く): 664078018072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 4013, 8026, 16052, 32104, 76247, 152494, 304988, 609976, 1117553, 2235106, 4470212, 8940424, 21233507, 42467014, 84934028, 169868056, 4484740189, 8969480378, 17938960756, 35877921512, 85210063591, 170420127182, 340840254364, 681680508728]

約数ペア:

[(1, 681680508728), (2, 340840254364), (4, 170420127182), (8, 85210063591), (19, 35877921512), (38, 17938960756), (76, 8969480378), (152, 4484740189), (4013, 169868056), (8026, 84934028), (16052, 42467014), (32104, 21233507), (76247, 8940424), (152494, 4470212), (304988, 2235106), (609976, 1117553)]