28977928

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 66960000

約数和(自身を除く): 37982072

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 61, 68, 119, 122, 136, 238, 244, 427, 476, 488, 499, 854, 952, 998, 1037, 1708, 1996, 2074, 3416, 3493, 3992, 4148, 6986, 7259, 8296, 8483, 13972, 14518, 16966, 27944, 29036, 30439, 33932, 58072, 59381, 60878, 67864, 118762, 121756, 213073, 237524, 243512, 426146, 475048, 517463, 852292, 1034926, 1704584, 2069852, 3622241, 4139704, 7244482, 14488964, 28977928]

約数ペア:

[(1, 28977928), (2, 14488964), (4, 7244482), (7, 4139704), (8, 3622241), (14, 2069852), (17, 1704584), (28, 1034926), (34, 852292), (56, 517463), (61, 475048), (68, 426146), (119, 243512), (122, 237524), (136, 213073), (238, 121756), (244, 118762), (427, 67864), (476, 60878), (488, 59381), (499, 58072), (854, 33932), (952, 30439), (998, 29036), (1037, 27944), (1708, 16966), (1996, 14518), (2074, 13972), (3416, 8483), (3493, 8296), (3992, 7259), (4148, 6986)]