311528077

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2737

約数の個数: 32

約数和(自身を含む): 402665472

約数和(自身を除く): 91137395

約数列:

[1, 7, 17, 23, 43, 119, 161, 301, 391, 731, 989, 2647, 2737, 5117, 6923, 16813, 18529, 44999, 60881, 113821, 117691, 314993, 426167, 796747, 1034977, 1934957, 2617883, 7244839, 13544699, 18325181, 44504011, 311528077]

約数ペア:

[(1, 311528077), (7, 44504011), (17, 18325181), (23, 13544699), (43, 7244839), (119, 2617883), (161, 1934957), (301, 1034977), (391, 796747), (731, 426167), (989, 314993), (2647, 117691), (2737, 113821), (5117, 60881), (6923, 44999), (16813, 18529)]