156716894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 252564480

約数和(自身を除く): 95847586

約数列:

[1, 2, 23, 46, 47, 94, 173, 346, 419, 838, 1081, 2162, 3979, 7958, 8131, 9637, 16262, 19274, 19693, 39386, 72487, 144974, 187013, 374026, 452939, 905878, 1667201, 3334402, 3406889, 6813778, 78358447, 156716894]

約数ペア:

[(1, 156716894), (2, 78358447), (23, 6813778), (46, 3406889), (47, 3334402), (94, 1667201), (173, 905878), (346, 452939), (419, 374026), (838, 187013), (1081, 144974), (2162, 72487), (3979, 39386), (7958, 19693), (8131, 19274), (9637, 16262)]