289327948

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4937}}^1$

素因数の和:4991

約数の個数: 72

約数和(自身を含む): 662008032

約数和(自身を除く): 372680084

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 322, 364, 598, 637, 644, 1127, 1196, 1274, 2093, 2254, 2548, 4186, 4508, 4937, 8372, 9874, 14651, 19748, 29302, 34559, 58604, 64181, 69118, 113551, 128362, 138236, 227102, 241913, 256724, 449267, 454204, 483826, 794857, 898534, 967652, 1476163, 1589714, 1797068, 2952326, 3144869, 3179428, 5563999, 5904652, 6289738, 10333141, 11127998, 12579476, 20666282, 22255996, 41332564, 72331987, 144663974, 289327948]

約数ペア:

[(1, 289327948), (2, 144663974), (4, 72331987), (7, 41332564), (13, 22255996), (14, 20666282), (23, 12579476), (26, 11127998), (28, 10333141), (46, 6289738), (49, 5904652), (52, 5563999), (91, 3179428), (92, 3144869), (98, 2952326), (161, 1797068), (182, 1589714), (196, 1476163), (299, 967652), (322, 898534), (364, 794857), (598, 483826), (637, 454204), (644, 449267), (1127, 256724), (1196, 241913), (1274, 227102), (2093, 138236), (2254, 128362), (2548, 113551), (4186, 69118), (4508, 64181), (4937, 58604), (8372, 34559), (9874, 29302), (14651, 19748)]