991347265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{10789}}^1$

素因数の和:10881

約数の個数: 32

約数和(自身を含む): 1342448640

約数和(自身を除く): 351101375

約数列:

[1, 5, 17, 23, 47, 85, 115, 235, 391, 799, 1081, 1955, 3995, 5405, 10789, 18377, 53945, 91885, 183413, 248147, 507083, 917065, 1240735, 2535415, 4218499, 8620411, 11662909, 21092495, 43102055, 58314545, 198269453, 991347265]

約数ペア:

[(1, 991347265), (5, 198269453), (17, 58314545), (23, 43102055), (47, 21092495), (85, 11662909), (115, 8620411), (235, 4218499), (391, 2535415), (799, 1240735), (1081, 917065), (1955, 507083), (3995, 248147), (5405, 183413), (10789, 91885), (18377, 53945)]