251131248

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:703

約数の個数: 120

約数和(自身を含む): 733988736

約数和(自身を除く): 482857488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 101, 124, 144, 186, 202, 248, 279, 303, 372, 404, 496, 557, 558, 606, 744, 808, 909, 1114, 1116, 1212, 1488, 1616, 1671, 1818, 2228, 2232, 2424, 3131, 3342, 3636, 4456, 4464, 4848, 5013, 6262, 6684, 7272, 8912, 9393, 10026, 12524, 13368, 14544, 17267, 18786, 20052, 25048, 26736, 28179, 34534, 37572, 40104, 50096, 51801, 56257, 56358, 69068, 75144, 80208, 103602, 112514, 112716, 138136, 150288, 155403, 168771, 207204, 225028, 225432, 276272, 310806, 337542, 414408, 450056, 450864, 506313, 621612, 675084, 828816, 900112, 1012626, 1243224, 1350168, 1743967, 2025252, 2486448, 2700336, 3487934, 4050504, 5231901, 6975868, 8101008, 10463802, 13951736, 15695703, 20927604, 27903472, 31391406, 41855208, 62782812, 83710416, 125565624, 251131248]

約数ペア:

[(1, 251131248), (2, 125565624), (3, 83710416), (4, 62782812), (6, 41855208), (8, 31391406), (9, 27903472), (12, 20927604), (16, 15695703), (18, 13951736), (24, 10463802), (31, 8101008), (36, 6975868), (48, 5231901), (62, 4050504), (72, 3487934), (93, 2700336), (101, 2486448), (124, 2025252), (144, 1743967), (186, 1350168), (202, 1243224), (248, 1012626), (279, 900112), (303, 828816), (372, 675084), (404, 621612), (496, 506313), (557, 450864), (558, 450056), (606, 414408), (744, 337542), (808, 310806), (909, 276272), (1114, 225432), (1116, 225028), (1212, 207204), (1488, 168771), (1616, 155403), (1671, 150288), (1818, 138136), (2228, 112716), (2232, 112514), (2424, 103602), (3131, 80208), (3342, 75144), (3636, 69068), (4456, 56358), (4464, 56257), (4848, 51801), (5013, 50096), (6262, 40104), (6684, 37572), (7272, 34534), (8912, 28179), (9393, 26736), (10026, 25048), (12524, 20052), (13368, 18786), (14544, 17267)]