249991936

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 108

約数和(自身を含む): 552207040

約数和(自身を除く): 302215104

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 109, 124, 128, 136, 218, 248, 256, 272, 289, 436, 496, 527, 544, 578, 872, 992, 1054, 1088, 1156, 1744, 1853, 1984, 2108, 2176, 2312, 3379, 3488, 3706, 3968, 4216, 4352, 4624, 6758, 6976, 7412, 7936, 8432, 8959, 9248, 13516, 13952, 14824, 16864, 17918, 18496, 27032, 27904, 29648, 31501, 33728, 35836, 36992, 54064, 57443, 59296, 63002, 67456, 71672, 73984, 108128, 114886, 118592, 126004, 134912, 143344, 216256, 229772, 237184, 252008, 286688, 432512, 459544, 474368, 504016, 573376, 865024, 919088, 976531, 1008032, 1146752, 1838176, 1953062, 2016064, 2293504, 3676352, 3906124, 4032128, 7352704, 7812248, 8064256, 14705408, 15624496, 31248992, 62497984, 124995968, 249991936]

約数ペア:

[(1, 249991936), (2, 124995968), (4, 62497984), (8, 31248992), (16, 15624496), (17, 14705408), (31, 8064256), (32, 7812248), (34, 7352704), (62, 4032128), (64, 3906124), (68, 3676352), (109, 2293504), (124, 2016064), (128, 1953062), (136, 1838176), (218, 1146752), (248, 1008032), (256, 976531), (272, 919088), (289, 865024), (436, 573376), (496, 504016), (527, 474368), (544, 459544), (578, 432512), (872, 286688), (992, 252008), (1054, 237184), (1088, 229772), (1156, 216256), (1744, 143344), (1853, 134912), (1984, 126004), (2108, 118592), (2176, 114886), (2312, 108128), (3379, 73984), (3488, 71672), (3706, 67456), (3968, 63002), (4216, 59296), (4352, 57443), (4624, 54064), (6758, 36992), (6976, 35836), (7412, 33728), (7936, 31501), (8432, 29648), (8959, 27904), (9248, 27032), (13516, 18496), (13952, 17918), (14824, 16864)]