28602568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 59780160

約数和(自身を除く): 31177592

約数列:

[1, 2, 4, 8, 17, 34, 43, 67, 68, 73, 86, 134, 136, 146, 172, 268, 292, 344, 536, 584, 731, 1139, 1241, 1462, 2278, 2482, 2881, 2924, 3139, 4556, 4891, 4964, 5762, 5848, 6278, 9112, 9782, 9928, 11524, 12556, 19564, 23048, 25112, 39128, 48977, 53363, 83147, 97954, 106726, 166294, 195908, 210313, 213452, 332588, 391816, 420626, 426904, 665176, 841252, 1682504, 3575321, 7150642, 14301284, 28602568]

約数ペア:

[(1, 28602568), (2, 14301284), (4, 7150642), (8, 3575321), (17, 1682504), (34, 841252), (43, 665176), (67, 426904), (68, 420626), (73, 391816), (86, 332588), (134, 213452), (136, 210313), (146, 195908), (172, 166294), (268, 106726), (292, 97954), (344, 83147), (536, 53363), (584, 48977), (731, 39128), (1139, 25112), (1241, 23048), (1462, 19564), (2278, 12556), (2482, 11524), (2881, 9928), (2924, 9782), (3139, 9112), (4556, 6278), (4891, 5848), (4964, 5762)]