28989402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 67952640

約数和(自身を除く): 38963238

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 494, 589, 631, 741, 806, 1178, 1209, 1262, 1482, 1767, 1893, 2418, 3534, 3786, 7657, 8203, 11989, 15314, 16406, 19561, 22971, 23978, 24609, 35967, 39122, 45942, 49218, 58683, 71934, 117366, 155857, 254293, 311714, 371659, 467571, 508586, 743318, 762879, 935142, 1114977, 1525758, 2229954, 4831567, 9663134, 14494701, 28989402]

約数ペア:

[(1, 28989402), (2, 14494701), (3, 9663134), (6, 4831567), (13, 2229954), (19, 1525758), (26, 1114977), (31, 935142), (38, 762879), (39, 743318), (57, 508586), (62, 467571), (78, 371659), (93, 311714), (114, 254293), (186, 155857), (247, 117366), (403, 71934), (494, 58683), (589, 49218), (631, 45942), (741, 39122), (806, 35967), (1178, 24609), (1209, 23978), (1262, 22971), (1482, 19561), (1767, 16406), (1893, 15314), (2418, 11989), (3534, 8203), (3786, 7657)]