138889088

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 329011200

約数和(自身を除く): 190122112

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 64, 76, 92, 104, 128, 152, 184, 191, 208, 247, 299, 304, 368, 382, 416, 437, 494, 598, 608, 736, 764, 832, 874, 988, 1196, 1216, 1472, 1528, 1664, 1748, 1976, 2392, 2432, 2483, 2944, 3056, 3496, 3629, 3952, 4393, 4784, 4966, 5681, 6112, 6992, 7258, 7904, 8786, 9568, 9932, 11362, 12224, 13984, 14516, 15808, 17572, 19136, 19864, 22724, 24448, 27968, 29032, 31616, 35144, 38272, 39728, 45448, 47177, 55936, 57109, 58064, 70288, 79456, 83467, 90896, 94354, 114218, 116128, 140576, 158912, 166934, 181792, 188708, 228436, 232256, 281152, 317824, 333868, 363584, 377416, 456872, 464512, 562304, 667736, 727168, 754832, 913744, 1085071, 1335472, 1509664, 1827488, 2170142, 2670944, 3019328, 3654976, 4340284, 5341888, 6038656, 7309952, 8680568, 10683776, 17361136, 34722272, 69444544, 138889088]

約数ペア:

[(1, 138889088), (2, 69444544), (4, 34722272), (8, 17361136), (13, 10683776), (16, 8680568), (19, 7309952), (23, 6038656), (26, 5341888), (32, 4340284), (38, 3654976), (46, 3019328), (52, 2670944), (64, 2170142), (76, 1827488), (92, 1509664), (104, 1335472), (128, 1085071), (152, 913744), (184, 754832), (191, 727168), (208, 667736), (247, 562304), (299, 464512), (304, 456872), (368, 377416), (382, 363584), (416, 333868), (437, 317824), (494, 281152), (598, 232256), (608, 228436), (736, 188708), (764, 181792), (832, 166934), (874, 158912), (988, 140576), (1196, 116128), (1216, 114218), (1472, 94354), (1528, 90896), (1664, 83467), (1748, 79456), (1976, 70288), (2392, 58064), (2432, 57109), (2483, 55936), (2944, 47177), (3056, 45448), (3496, 39728), (3629, 38272), (3952, 35144), (4393, 31616), (4784, 29032), (4966, 27968), (5681, 24448), (6112, 22724), (6992, 19864), (7258, 19136), (7904, 17572), (8786, 15808), (9568, 14516), (9932, 13984), (11362, 12224)]