262721379

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 378027520

約数和(自身を除く): 115306141

約数列:

[1, 3, 19, 57, 73, 103, 219, 309, 613, 1387, 1839, 1957, 4161, 5871, 7519, 11647, 22557, 34941, 44749, 63139, 134247, 142861, 189417, 428583, 850231, 1199641, 2550693, 3598923, 4609147, 13827441, 87573793, 262721379]

約数ペア:

[(1, 262721379), (3, 87573793), (19, 13827441), (57, 4609147), (73, 3598923), (103, 2550693), (219, 1199641), (309, 850231), (613, 428583), (1387, 189417), (1839, 142861), (1957, 134247), (4161, 63139), (5871, 44749), (7519, 34941), (11647, 22557)]