28542670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 58605120

約数和(自身を除く): 30062450

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 67, 113, 130, 134, 145, 226, 290, 335, 377, 565, 670, 754, 871, 1130, 1469, 1742, 1885, 1943, 2938, 3277, 3770, 3886, 4355, 6554, 7345, 7571, 8710, 9715, 14690, 15142, 16385, 19430, 25259, 32770, 37855, 42601, 50518, 75710, 85202, 98423, 126295, 196846, 213005, 219559, 252590, 426010, 439118, 492115, 984230, 1097795, 2195590, 2854267, 5708534, 14271335, 28542670]

約数ペア:

[(1, 28542670), (2, 14271335), (5, 5708534), (10, 2854267), (13, 2195590), (26, 1097795), (29, 984230), (58, 492115), (65, 439118), (67, 426010), (113, 252590), (130, 219559), (134, 213005), (145, 196846), (226, 126295), (290, 98423), (335, 85202), (377, 75710), (565, 50518), (670, 42601), (754, 37855), (871, 32770), (1130, 25259), (1469, 19430), (1742, 16385), (1885, 15142), (1943, 14690), (2938, 9715), (3277, 8710), (3770, 7571), (3886, 7345), (4355, 6554)]