40368013

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 40

約数和(自身を含む): 53241408

約数和(自身を除く): 12873395

約数列:

[1, 7, 17, 23, 43, 49, 119, 161, 301, 343, 391, 731, 833, 989, 1127, 2107, 2401, 2737, 5117, 5831, 6923, 7889, 14749, 16813, 19159, 35819, 40817, 48461, 55223, 103243, 117691, 134113, 250733, 339227, 823837, 938791, 1755131, 2374589, 5766859, 40368013]

約数ペア:

[(1, 40368013), (7, 5766859), (17, 2374589), (23, 1755131), (43, 938791), (49, 823837), (119, 339227), (161, 250733), (301, 134113), (343, 117691), (391, 103243), (731, 55223), (833, 48461), (989, 40817), (1127, 35819), (2107, 19159), (2401, 16813), (2737, 14749), (5117, 7889), (5831, 6923)]