220221638

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:801

約数の個数: 64

約数和(自身を含む): 435093120

約数和(自身を除く): 214871482

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 109, 119, 182, 218, 221, 238, 442, 653, 763, 1306, 1417, 1526, 1547, 1853, 2834, 3094, 3706, 4571, 8489, 9142, 9919, 11101, 12971, 16978, 19838, 22202, 24089, 25942, 48178, 59423, 71177, 77707, 118846, 142354, 144313, 155414, 168623, 288626, 337246, 498239, 925301, 996478, 1010191, 1210009, 1850602, 2020382, 2420018, 6477107, 8470063, 12954214, 15730117, 16940126, 31460234, 110110819, 220221638]

約数ペア:

[(1, 220221638), (2, 110110819), (7, 31460234), (13, 16940126), (14, 15730117), (17, 12954214), (26, 8470063), (34, 6477107), (91, 2420018), (109, 2020382), (119, 1850602), (182, 1210009), (218, 1010191), (221, 996478), (238, 925301), (442, 498239), (653, 337246), (763, 288626), (1306, 168623), (1417, 155414), (1526, 144313), (1547, 142354), (1853, 118846), (2834, 77707), (3094, 71177), (3706, 59423), (4571, 48178), (8489, 25942), (9142, 24089), (9919, 22202), (11101, 19838), (12971, 16978)]