28655770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 62778240

約数和(自身を除く): 34122470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 110, 130, 143, 145, 286, 290, 319, 377, 638, 691, 715, 754, 1382, 1430, 1595, 1885, 3190, 3455, 3770, 4147, 6910, 7601, 8294, 8983, 15202, 17966, 20039, 20735, 38005, 40078, 41470, 44915, 76010, 89830, 98813, 100195, 197626, 200390, 220429, 260507, 440858, 494065, 521014, 988130, 1102145, 1302535, 2204290, 2605070, 2865577, 5731154, 14327885, 28655770]

約数ペア:

[(1, 28655770), (2, 14327885), (5, 5731154), (10, 2865577), (11, 2605070), (13, 2204290), (22, 1302535), (26, 1102145), (29, 988130), (55, 521014), (58, 494065), (65, 440858), (110, 260507), (130, 220429), (143, 200390), (145, 197626), (286, 100195), (290, 98813), (319, 89830), (377, 76010), (638, 44915), (691, 41470), (715, 40078), (754, 38005), (1382, 20735), (1430, 20039), (1595, 17966), (1885, 15202), (3190, 8983), (3455, 8294), (3770, 7601), (4147, 6910)]