256947288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2333}}^1$

素因数の和:2708

約数の個数: 64

約数和(自身を含む): 694038240

約数和(自身を除く): 437090952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 353, 706, 1059, 1412, 2118, 2333, 2824, 4236, 4589, 4666, 6999, 8472, 9178, 9332, 13767, 13998, 18356, 18664, 27534, 27996, 30329, 36712, 55068, 55992, 60658, 90987, 110136, 121316, 181974, 242632, 363948, 727896, 823549, 1647098, 2470647, 3294196, 4941294, 6588392, 9882588, 10706137, 19765176, 21412274, 32118411, 42824548, 64236822, 85649096, 128473644, 256947288]

約数ペア:

[(1, 256947288), (2, 128473644), (3, 85649096), (4, 64236822), (6, 42824548), (8, 32118411), (12, 21412274), (13, 19765176), (24, 10706137), (26, 9882588), (39, 6588392), (52, 4941294), (78, 3294196), (104, 2470647), (156, 1647098), (312, 823549), (353, 727896), (706, 363948), (1059, 242632), (1412, 181974), (2118, 121316), (2333, 110136), (2824, 90987), (4236, 60658), (4589, 55992), (4666, 55068), (6999, 36712), (8472, 30329), (9178, 27996), (9332, 27534), (13767, 18664), (13998, 18356)]