257232456

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1036

約数の個数: 128

約数和(自身を含む): 777974400

約数和(自身を除く): 520741944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 101, 104, 108, 117, 156, 202, 216, 234, 303, 312, 351, 404, 468, 606, 702, 808, 907, 909, 936, 1212, 1313, 1404, 1814, 1818, 2424, 2626, 2721, 2727, 2808, 3628, 3636, 3939, 5252, 5442, 5454, 7256, 7272, 7878, 8163, 10504, 10884, 10908, 11791, 11817, 15756, 16326, 21768, 21816, 23582, 23634, 24489, 31512, 32652, 35373, 35451, 47164, 47268, 48978, 65304, 70746, 70902, 91607, 94328, 94536, 97956, 106119, 141492, 141804, 183214, 195912, 212238, 274821, 282984, 283608, 318357, 366428, 424476, 549642, 636714, 732856, 824463, 848952, 1099284, 1190891, 1273428, 1648926, 2198568, 2381782, 2473389, 2546856, 3297852, 3572673, 4763564, 4946778, 6595704, 7145346, 9527128, 9893556, 10718019, 14290692, 19787112, 21436038, 28581384, 32154057, 42872076, 64308114, 85744152, 128616228, 257232456]

約数ペア:

[(1, 257232456), (2, 128616228), (3, 85744152), (4, 64308114), (6, 42872076), (8, 32154057), (9, 28581384), (12, 21436038), (13, 19787112), (18, 14290692), (24, 10718019), (26, 9893556), (27, 9527128), (36, 7145346), (39, 6595704), (52, 4946778), (54, 4763564), (72, 3572673), (78, 3297852), (101, 2546856), (104, 2473389), (108, 2381782), (117, 2198568), (156, 1648926), (202, 1273428), (216, 1190891), (234, 1099284), (303, 848952), (312, 824463), (351, 732856), (404, 636714), (468, 549642), (606, 424476), (702, 366428), (808, 318357), (907, 283608), (909, 282984), (936, 274821), (1212, 212238), (1313, 195912), (1404, 183214), (1814, 141804), (1818, 141492), (2424, 106119), (2626, 97956), (2721, 94536), (2727, 94328), (2808, 91607), (3628, 70902), (3636, 70746), (3939, 65304), (5252, 48978), (5442, 47268), (5454, 47164), (7256, 35451), (7272, 35373), (7878, 32652), (8163, 31512), (10504, 24489), (10884, 23634), (10908, 23582), (11791, 21816), (11817, 21768), (15756, 16326)]