319368608

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20749}}^1$

素因数の和:20809

約数の個数: 48

約数和(自身を含む): 695457000

約数和(自身を除く): 376088392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1924, 3848, 7696, 15392, 20749, 41498, 82996, 165992, 269737, 331984, 539474, 663968, 767713, 1078948, 1535426, 2157896, 3070852, 4315792, 6141704, 8631584, 9980269, 12283408, 19960538, 24566816, 39921076, 79842152, 159684304, 319368608]

約数ペア:

[(1, 319368608), (2, 159684304), (4, 79842152), (8, 39921076), (13, 24566816), (16, 19960538), (26, 12283408), (32, 9980269), (37, 8631584), (52, 6141704), (74, 4315792), (104, 3070852), (148, 2157896), (208, 1535426), (296, 1078948), (416, 767713), (481, 663968), (592, 539474), (962, 331984), (1184, 269737), (1924, 165992), (3848, 82996), (7696, 41498), (15392, 20749)]