28260570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 73592064

約数和(自身を除く): 45331494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 233, 311, 390, 466, 622, 699, 933, 1165, 1398, 1555, 1866, 2330, 3029, 3110, 3495, 4043, 4665, 6058, 6990, 8086, 9087, 9330, 12129, 15145, 18174, 20215, 24258, 30290, 40430, 45435, 60645, 72463, 90870, 121290, 144926, 217389, 362315, 434778, 724630, 942019, 1086945, 1884038, 2173890, 2826057, 4710095, 5652114, 9420190, 14130285, 28260570]

約数ペア:

[(1, 28260570), (2, 14130285), (3, 9420190), (5, 5652114), (6, 4710095), (10, 2826057), (13, 2173890), (15, 1884038), (26, 1086945), (30, 942019), (39, 724630), (65, 434778), (78, 362315), (130, 217389), (195, 144926), (233, 121290), (311, 90870), (390, 72463), (466, 60645), (622, 45435), (699, 40430), (933, 30290), (1165, 24258), (1398, 20215), (1555, 18174), (1866, 15145), (2330, 12129), (3029, 9330), (3110, 9087), (3495, 8086), (4043, 6990), (4665, 6058)]