42397888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 56

約数和(自身を含む): 91531440

約数和(自身を除く): 49133552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 131, 208, 262, 389, 416, 524, 778, 832, 1048, 1556, 1703, 2096, 3112, 3406, 4192, 5057, 6224, 6812, 8384, 10114, 12448, 13624, 20228, 24896, 27248, 40456, 50959, 54496, 80912, 101918, 108992, 161824, 203836, 323648, 407672, 662467, 815344, 1324934, 1630688, 2649868, 3261376, 5299736, 10599472, 21198944, 42397888]

約数ペア:

[(1, 42397888), (2, 21198944), (4, 10599472), (8, 5299736), (13, 3261376), (16, 2649868), (26, 1630688), (32, 1324934), (52, 815344), (64, 662467), (104, 407672), (131, 323648), (208, 203836), (262, 161824), (389, 108992), (416, 101918), (524, 80912), (778, 54496), (832, 50959), (1048, 40456), (1556, 27248), (1703, 24896), (2096, 20228), (3112, 13624), (3406, 12448), (4192, 10114), (5057, 8384), (6224, 6812)]