161653986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40637}}^1$

素因数の和:40675

約数の個数: 48

約数和(自身を含む): 399390264

約数和(自身を除く): 237736278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 40637, 81274, 121911, 243822, 365733, 528281, 690829, 731466, 1056562, 1381658, 1584843, 2072487, 3169686, 4144974, 4754529, 6217461, 8980777, 9509058, 12434922, 17961554, 26942331, 53884662, 80826993, 161653986]

約数ペア:

[(1, 161653986), (2, 80826993), (3, 53884662), (6, 26942331), (9, 17961554), (13, 12434922), (17, 9509058), (18, 8980777), (26, 6217461), (34, 4754529), (39, 4144974), (51, 3169686), (78, 2072487), (102, 1584843), (117, 1381658), (153, 1056562), (221, 731466), (234, 690829), (306, 528281), (442, 365733), (663, 243822), (1326, 121911), (1989, 81274), (3978, 40637)]