28360722

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 64963584

約数和(自身を除く): 36602862

約数列:

[1, 2, 3, 6, 13, 26, 31, 37, 39, 62, 74, 78, 93, 111, 186, 222, 317, 403, 481, 634, 806, 951, 962, 1147, 1209, 1443, 1902, 2294, 2418, 2886, 3441, 4121, 6882, 8242, 9827, 11729, 12363, 14911, 19654, 23458, 24726, 29481, 29822, 35187, 44733, 58962, 70374, 89466, 127751, 152477, 255502, 304954, 363599, 383253, 457431, 727198, 766506, 914862, 1090797, 2181594, 4726787, 9453574, 14180361, 28360722]

約数ペア:

[(1, 28360722), (2, 14180361), (3, 9453574), (6, 4726787), (13, 2181594), (26, 1090797), (31, 914862), (37, 766506), (39, 727198), (62, 457431), (74, 383253), (78, 363599), (93, 304954), (111, 255502), (186, 152477), (222, 127751), (317, 89466), (403, 70374), (481, 58962), (634, 44733), (806, 35187), (951, 29822), (962, 29481), (1147, 24726), (1209, 23458), (1443, 19654), (1902, 14911), (2294, 12363), (2418, 11729), (2886, 9827), (3441, 8242), (4121, 6882)]