27989156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 27329884

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 97, 124, 179, 194, 358, 388, 403, 716, 806, 1261, 1612, 2327, 2522, 3007, 4654, 5044, 5549, 6014, 9308, 11098, 12028, 17363, 22196, 34726, 39091, 69452, 72137, 78182, 144274, 156364, 225719, 288548, 451438, 538253, 902876, 1076506, 2153012, 6997289, 13994578, 27989156]

約数ペア:

[(1, 27989156), (2, 13994578), (4, 6997289), (13, 2153012), (26, 1076506), (31, 902876), (52, 538253), (62, 451438), (97, 288548), (124, 225719), (179, 156364), (194, 144274), (358, 78182), (388, 72137), (403, 69452), (716, 39091), (806, 34726), (1261, 22196), (1612, 17363), (2327, 12028), (2522, 11098), (3007, 9308), (4654, 6014), (5044, 5549)]