31153265

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 15903199

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 121, 143, 187, 221, 233, 605, 715, 935, 1105, 1165, 1573, 2057, 2431, 2563, 3029, 3961, 7865, 10285, 12155, 12815, 15145, 19805, 26741, 28193, 33319, 43571, 51493, 133705, 140965, 166595, 217855, 257465, 366509, 479281, 566423, 1832545, 2396405, 2832115, 6230653, 31153265]

約数ペア:

[(1, 31153265), (5, 6230653), (11, 2832115), (13, 2396405), (17, 1832545), (55, 566423), (65, 479281), (85, 366509), (121, 257465), (143, 217855), (187, 166595), (221, 140965), (233, 133705), (605, 51493), (715, 43571), (935, 33319), (1105, 28193), (1165, 26741), (1573, 19805), (2057, 15145), (2431, 12815), (2563, 12155), (3029, 10285), (3961, 7865)]