28941978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 66931200

約数和(自身を除く): 37989222

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 59, 78, 114, 118, 177, 247, 331, 354, 494, 662, 741, 767, 993, 1121, 1482, 1534, 1986, 2242, 2301, 3363, 4303, 4602, 6289, 6726, 8606, 12578, 12909, 14573, 18867, 19529, 25818, 29146, 37734, 39058, 43719, 58587, 81757, 87438, 117174, 163514, 245271, 253877, 371051, 490542, 507754, 742102, 761631, 1113153, 1523262, 2226306, 4823663, 9647326, 14470989, 28941978]

約数ペア:

[(1, 28941978), (2, 14470989), (3, 9647326), (6, 4823663), (13, 2226306), (19, 1523262), (26, 1113153), (38, 761631), (39, 742102), (57, 507754), (59, 490542), (78, 371051), (114, 253877), (118, 245271), (177, 163514), (247, 117174), (331, 87438), (354, 81757), (494, 58587), (662, 43719), (741, 39058), (767, 37734), (993, 29146), (1121, 25818), (1482, 19529), (1534, 18867), (1986, 14573), (2242, 12909), (2301, 12578), (3363, 8606), (4303, 6726), (4602, 6289)]