625328

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 60

約数和(自身を含む): 1484280

約数和(自身を除く): 858952

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 68, 76, 88, 121, 136, 152, 176, 187, 209, 242, 272, 304, 323, 374, 418, 484, 646, 748, 836, 968, 1292, 1496, 1672, 1936, 2057, 2299, 2584, 2992, 3344, 3553, 4114, 4598, 5168, 7106, 8228, 9196, 14212, 16456, 18392, 28424, 32912, 36784, 39083, 56848, 78166, 156332, 312664, 625328]

約数ペア:

[(1, 625328), (2, 312664), (4, 156332), (8, 78166), (11, 56848), (16, 39083), (17, 36784), (19, 32912), (22, 28424), (34, 18392), (38, 16456), (44, 14212), (68, 9196), (76, 8228), (88, 7106), (121, 5168), (136, 4598), (152, 4114), (176, 3553), (187, 3344), (209, 2992), (242, 2584), (272, 2299), (304, 2057), (323, 1936), (374, 1672), (418, 1496), (484, 1292), (646, 968), (748, 836)]