9991036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 21890736

約数和(自身を除く): 11899700

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 37, 38, 44, 68, 74, 76, 148, 187, 209, 323, 361, 374, 407, 418, 629, 646, 703, 722, 748, 814, 836, 1258, 1292, 1406, 1444, 1628, 2516, 2812, 3553, 3971, 6137, 6919, 7106, 7733, 7942, 11951, 12274, 13357, 13838, 14212, 15466, 15884, 23902, 24548, 26714, 27676, 30932, 47804, 53428, 67507, 131461, 135014, 146927, 227069, 262922, 270028, 293854, 454138, 525844, 587708, 908276, 2497759, 4995518, 9991036]

約数ペア:

[(1, 9991036), (2, 4995518), (4, 2497759), (11, 908276), (17, 587708), (19, 525844), (22, 454138), (34, 293854), (37, 270028), (38, 262922), (44, 227069), (68, 146927), (74, 135014), (76, 131461), (148, 67507), (187, 53428), (209, 47804), (323, 30932), (361, 27676), (374, 26714), (407, 24548), (418, 23902), (629, 15884), (646, 15466), (703, 14212), (722, 13838), (748, 13357), (814, 12274), (836, 11951), (1258, 7942), (1292, 7733), (1406, 7106), (1444, 6919), (1628, 6137), (2516, 3971), (2812, 3553)]