245991906

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3571}}^1$

素因数の和:3711

約数の個数: 48

約数和(自身を含む): 551659680

約数和(自身を除く): 305667774

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 89, 129, 178, 258, 267, 387, 534, 774, 801, 1602, 3571, 3827, 7142, 7654, 10713, 11481, 21426, 22962, 32139, 34443, 64278, 68886, 153553, 307106, 317819, 460659, 635638, 921318, 953457, 1381977, 1906914, 2763954, 2860371, 5720742, 13666217, 27332434, 40998651, 81997302, 122995953, 245991906]

約数ペア:

[(1, 245991906), (2, 122995953), (3, 81997302), (6, 40998651), (9, 27332434), (18, 13666217), (43, 5720742), (86, 2860371), (89, 2763954), (129, 1906914), (178, 1381977), (258, 953457), (267, 921318), (387, 635638), (534, 460659), (774, 317819), (801, 307106), (1602, 153553), (3571, 68886), (3827, 64278), (7142, 34443), (7654, 32139), (10713, 22962), (11481, 21426)]