91721238

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1399}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 214502400

約数和(自身を除く): 122781162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 223, 294, 446, 669, 1338, 1399, 1561, 2798, 3122, 4197, 4683, 8394, 9366, 9793, 10927, 19586, 21854, 29379, 32781, 58758, 65562, 68551, 137102, 205653, 311977, 411306, 623954, 935931, 1871862, 2183839, 4367678, 6551517, 13103034, 15286873, 30573746, 45860619, 91721238]

約数ペア:

[(1, 91721238), (2, 45860619), (3, 30573746), (6, 15286873), (7, 13103034), (14, 6551517), (21, 4367678), (42, 2183839), (49, 1871862), (98, 935931), (147, 623954), (223, 411306), (294, 311977), (446, 205653), (669, 137102), (1338, 68551), (1399, 65562), (1561, 58758), (2798, 32781), (3122, 29379), (4197, 21854), (4683, 19586), (8394, 10927), (9366, 9793)]