128103472

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1627}}^1$

素因数の和:1698

約数の個数: 80

約数和(自身を含む): 306845440

約数和(自身を除く): 178741968

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 56, 74, 76, 112, 133, 148, 152, 259, 266, 296, 304, 518, 532, 592, 703, 1036, 1064, 1406, 1627, 2072, 2128, 2812, 3254, 4144, 4921, 5624, 6508, 9842, 11248, 11389, 13016, 19684, 22778, 26032, 30913, 39368, 45556, 60199, 61826, 78736, 91112, 120398, 123652, 182224, 216391, 240796, 247304, 421393, 432782, 481592, 494608, 842786, 865564, 963184, 1143781, 1685572, 1731128, 2287562, 3371144, 3462256, 4575124, 6742288, 8006467, 9150248, 16012934, 18300496, 32025868, 64051736, 128103472]

約数ペア:

[(1, 128103472), (2, 64051736), (4, 32025868), (7, 18300496), (8, 16012934), (14, 9150248), (16, 8006467), (19, 6742288), (28, 4575124), (37, 3462256), (38, 3371144), (56, 2287562), (74, 1731128), (76, 1685572), (112, 1143781), (133, 963184), (148, 865564), (152, 842786), (259, 494608), (266, 481592), (296, 432782), (304, 421393), (518, 247304), (532, 240796), (592, 216391), (703, 182224), (1036, 123652), (1064, 120398), (1406, 91112), (1627, 78736), (2072, 61826), (2128, 60199), (2812, 45556), (3254, 39368), (4144, 30913), (4921, 26032), (5624, 22778), (6508, 19684), (9842, 13016), (11248, 11389)]