13870844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 54

約数和(自身を含む): 28315224

約数和(自身を除く): 14444380

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 142, 169, 221, 284, 289, 338, 442, 578, 676, 884, 923, 1156, 1207, 1846, 2414, 2873, 3692, 3757, 4828, 5746, 7514, 11492, 11999, 15028, 15691, 20519, 23998, 31382, 41038, 47996, 48841, 62764, 82076, 97682, 195364, 203983, 266747, 407966, 533494, 815932, 1066988, 3467711, 6935422, 13870844]

約数ペア:

[(1, 13870844), (2, 6935422), (4, 3467711), (13, 1066988), (17, 815932), (26, 533494), (34, 407966), (52, 266747), (68, 203983), (71, 195364), (142, 97682), (169, 82076), (221, 62764), (284, 48841), (289, 47996), (338, 41038), (442, 31382), (578, 23998), (676, 20519), (884, 15691), (923, 15028), (1156, 11999), (1207, 11492), (1846, 7514), (2414, 5746), (2873, 4828), (3692, 3757)]