28570984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{761}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 60967620

約数和(自身を除く): 32396636

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 761, 988, 1444, 1522, 1976, 2888, 3044, 4693, 6088, 9386, 9893, 14459, 18772, 19786, 28918, 37544, 39572, 57836, 79144, 115672, 187967, 274721, 375934, 549442, 751868, 1098884, 1503736, 2197768, 3571373, 7142746, 14285492, 28570984]

約数ペア:

[(1, 28570984), (2, 14285492), (4, 7142746), (8, 3571373), (13, 2197768), (19, 1503736), (26, 1098884), (38, 751868), (52, 549442), (76, 375934), (104, 274721), (152, 187967), (247, 115672), (361, 79144), (494, 57836), (722, 39572), (761, 37544), (988, 28918), (1444, 19786), (1522, 18772), (1976, 14459), (2888, 9893), (3044, 9386), (4693, 6088)]