128607318

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1087}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 327966720

約数和(自身を除く): 199359402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 313, 378, 626, 939, 1087, 1878, 2174, 2191, 2817, 3261, 4382, 5634, 6522, 6573, 7609, 8451, 9783, 13146, 15218, 16902, 19566, 19719, 22827, 29349, 39438, 45654, 58698, 59157, 68481, 118314, 136962, 205443, 340231, 410886, 680462, 1020693, 2041386, 2381617, 3062079, 4763234, 6124158, 7144851, 9186237, 14289702, 18372474, 21434553, 42869106, 64303659, 128607318]

約数ペア:

[(1, 128607318), (2, 64303659), (3, 42869106), (6, 21434553), (7, 18372474), (9, 14289702), (14, 9186237), (18, 7144851), (21, 6124158), (27, 4763234), (42, 3062079), (54, 2381617), (63, 2041386), (126, 1020693), (189, 680462), (313, 410886), (378, 340231), (626, 205443), (939, 136962), (1087, 118314), (1878, 68481), (2174, 59157), (2191, 58698), (2817, 45654), (3261, 39438), (4382, 29349), (5634, 22827), (6522, 19719), (6573, 19566), (7609, 16902), (8451, 15218), (9783, 13146)]