91217035

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 144506880

約数和(自身を除く): 53289845

約数列:

[1, 5, 7, 13, 29, 31, 35, 65, 91, 145, 155, 203, 217, 223, 377, 403, 455, 899, 1015, 1085, 1115, 1561, 1885, 2015, 2639, 2821, 2899, 4495, 6293, 6467, 6913, 7805, 11687, 13195, 14105, 14495, 20293, 31465, 32335, 34565, 45269, 48391, 58435, 81809, 84071, 89869, 101465, 200477, 226345, 241955, 409045, 420355, 449345, 588497, 629083, 1002385, 1403339, 2606201, 2942485, 3145415, 7016695, 13031005, 18243407, 91217035]

約数ペア:

[(1, 91217035), (5, 18243407), (7, 13031005), (13, 7016695), (29, 3145415), (31, 2942485), (35, 2606201), (65, 1403339), (91, 1002385), (145, 629083), (155, 588497), (203, 449345), (217, 420355), (223, 409045), (377, 241955), (403, 226345), (455, 200477), (899, 101465), (1015, 89869), (1085, 84071), (1115, 81809), (1561, 58435), (1885, 48391), (2015, 45269), (2639, 34565), (2821, 32335), (2899, 31465), (4495, 20293), (6293, 14495), (6467, 14105), (6913, 13195), (7805, 11687)]