16457870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 36904896

約数和(自身を除く): 20447026

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 677, 715, 935, 1105, 1354, 1430, 1870, 2210, 2431, 3385, 4862, 6770, 7447, 8801, 11509, 12155, 14894, 17602, 23018, 24310, 37235, 44005, 57545, 74470, 88010, 96811, 115090, 126599, 149617, 193622, 253198, 299234, 484055, 632995, 748085, 968110, 1265990, 1496170, 1645787, 3291574, 8228935, 16457870]

約数ペア:

[(1, 16457870), (2, 8228935), (5, 3291574), (10, 1645787), (11, 1496170), (13, 1265990), (17, 968110), (22, 748085), (26, 632995), (34, 484055), (55, 299234), (65, 253198), (85, 193622), (110, 149617), (130, 126599), (143, 115090), (170, 96811), (187, 88010), (221, 74470), (286, 57545), (374, 44005), (442, 37235), (677, 24310), (715, 23018), (935, 17602), (1105, 14894), (1354, 12155), (1430, 11509), (1870, 8801), (2210, 7447), (2431, 6770), (3385, 4862)]