668812784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{6653}}^1$

素因数の和:6825

約数の個数: 40

約数和(自身を含む): 1330054752

約数和(自身を除く): 661241968

約数列:

[1, 2, 4, 8, 16, 61, 103, 122, 206, 244, 412, 488, 824, 976, 1648, 6283, 6653, 12566, 13306, 25132, 26612, 50264, 53224, 100528, 106448, 405833, 685259, 811666, 1370518, 1623332, 2741036, 3246664, 5482072, 6493328, 10964144, 41800799, 83601598, 167203196, 334406392, 668812784]

約数ペア:

[(1, 668812784), (2, 334406392), (4, 167203196), (8, 83601598), (16, 41800799), (61, 10964144), (103, 6493328), (122, 5482072), (206, 3246664), (244, 2741036), (412, 1623332), (488, 1370518), (824, 811666), (976, 685259), (1648, 405833), (6283, 106448), (6653, 100528), (12566, 53224), (13306, 50264), (25132, 26612)]