39997698

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 91808640

約数和(自身を除く): 51810942

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 137, 197, 247, 274, 394, 411, 494, 591, 741, 822, 1182, 1482, 1781, 2561, 2603, 3562, 3743, 5122, 5206, 5343, 7486, 7683, 7809, 10686, 11229, 15366, 15618, 22458, 26989, 33839, 48659, 53978, 67678, 80967, 97318, 101517, 145977, 161934, 203034, 291954, 350857, 512791, 701714, 1025582, 1052571, 1538373, 2105142, 3076746, 6666283, 13332566, 19998849, 39997698]

約数ペア:

[(1, 39997698), (2, 19998849), (3, 13332566), (6, 6666283), (13, 3076746), (19, 2105142), (26, 1538373), (38, 1052571), (39, 1025582), (57, 701714), (78, 512791), (114, 350857), (137, 291954), (197, 203034), (247, 161934), (274, 145977), (394, 101517), (411, 97318), (494, 80967), (591, 67678), (741, 53978), (822, 48659), (1182, 33839), (1482, 26989), (1781, 22458), (2561, 15618), (2603, 15366), (3562, 11229), (3743, 10686), (5122, 7809), (5206, 7683), (5343, 7486)]