638364542

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 1002792960

約数和(自身を除く): 364428418

約数列:

[1, 2, 53, 59, 103, 106, 118, 206, 991, 1982, 3127, 5459, 6077, 6254, 10918, 12154, 52523, 58469, 102073, 105046, 116938, 204146, 322081, 644162, 3098857, 5409869, 6022307, 6197714, 10819738, 12044614, 319182271, 638364542]

約数ペア:

[(1, 638364542), (2, 319182271), (53, 12044614), (59, 10819738), (103, 6197714), (106, 6022307), (118, 5409869), (206, 3098857), (991, 644162), (1982, 322081), (3127, 204146), (5459, 116938), (6077, 105046), (6254, 102073), (10918, 58469), (12154, 52523)]