199909052

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3853}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 427331520

約数和(自身を除く): 227422468

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 109, 119, 218, 238, 436, 476, 763, 1526, 1853, 3052, 3706, 3853, 7412, 7706, 12971, 15412, 25942, 26971, 51884, 53942, 65501, 107884, 131002, 262004, 419977, 458507, 839954, 917014, 1679908, 1834028, 2939839, 5879678, 7139609, 11759356, 14279218, 28558436, 49977263, 99954526, 199909052]

約数ペア:

[(1, 199909052), (2, 99954526), (4, 49977263), (7, 28558436), (14, 14279218), (17, 11759356), (28, 7139609), (34, 5879678), (68, 2939839), (109, 1834028), (119, 1679908), (218, 917014), (238, 839954), (436, 458507), (476, 419977), (763, 262004), (1526, 131002), (1853, 107884), (3052, 65501), (3706, 53942), (3853, 51884), (7412, 26971), (7706, 25942), (12971, 15412)]