77726890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 156888576

約数和(自身を除く): 79161686

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 103, 115, 170, 193, 206, 230, 386, 391, 515, 782, 965, 1030, 1751, 1930, 1955, 2369, 3281, 3502, 3910, 4439, 4738, 6562, 8755, 8878, 11845, 16405, 17510, 19879, 22195, 23690, 32810, 39758, 40273, 44390, 75463, 80546, 99395, 150926, 198790, 201365, 337943, 377315, 402730, 457217, 675886, 754630, 914434, 1689715, 2286085, 3379430, 4572170, 7772689, 15545378, 38863445, 77726890]

約数ペア:

[(1, 77726890), (2, 38863445), (5, 15545378), (10, 7772689), (17, 4572170), (23, 3379430), (34, 2286085), (46, 1689715), (85, 914434), (103, 754630), (115, 675886), (170, 457217), (193, 402730), (206, 377315), (230, 337943), (386, 201365), (391, 198790), (515, 150926), (782, 99395), (965, 80546), (1030, 75463), (1751, 44390), (1930, 40273), (1955, 39758), (2369, 32810), (3281, 23690), (3502, 22195), (3910, 19879), (4439, 17510), (4738, 16405), (6562, 11845), (8755, 8878)]