28002858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 64146432

約数和(自身を除く): 36143574

約数列:

[1, 2, 3, 6, 13, 26, 31, 37, 39, 62, 74, 78, 93, 111, 186, 222, 313, 403, 481, 626, 806, 939, 962, 1147, 1209, 1443, 1878, 2294, 2418, 2886, 3441, 4069, 6882, 8138, 9703, 11581, 12207, 14911, 19406, 23162, 24414, 29109, 29822, 34743, 44733, 58218, 69486, 89466, 126139, 150553, 252278, 301106, 359011, 378417, 451659, 718022, 756834, 903318, 1077033, 2154066, 4667143, 9334286, 14001429, 28002858]

約数ペア:

[(1, 28002858), (2, 14001429), (3, 9334286), (6, 4667143), (13, 2154066), (26, 1077033), (31, 903318), (37, 756834), (39, 718022), (62, 451659), (74, 378417), (78, 359011), (93, 301106), (111, 252278), (186, 150553), (222, 126139), (313, 89466), (403, 69486), (481, 58218), (626, 44733), (806, 34743), (939, 29822), (962, 29109), (1147, 24414), (1209, 23162), (1443, 19406), (1878, 14911), (2294, 12207), (2418, 11581), (2886, 9703), (3441, 8138), (4069, 6882)]