78171966

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:375

約数の個数: 80

約数和(自身を含む): 186872400

約数和(自身を除く): 108700434

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 109, 114, 162, 171, 218, 233, 327, 342, 466, 513, 654, 699, 981, 1026, 1398, 1539, 1962, 2071, 2097, 2943, 3078, 4142, 4194, 4427, 5886, 6213, 6291, 8829, 8854, 12426, 12582, 13281, 17658, 18639, 18873, 25397, 26562, 37278, 37746, 39843, 50794, 55917, 76191, 79686, 111834, 119529, 152382, 167751, 228573, 239058, 335502, 358587, 457146, 482543, 685719, 717174, 965086, 1371438, 1447629, 2057157, 2895258, 4114314, 4342887, 8685774, 13028661, 26057322, 39085983, 78171966]

約数ペア:

[(1, 78171966), (2, 39085983), (3, 26057322), (6, 13028661), (9, 8685774), (18, 4342887), (19, 4114314), (27, 2895258), (38, 2057157), (54, 1447629), (57, 1371438), (81, 965086), (109, 717174), (114, 685719), (162, 482543), (171, 457146), (218, 358587), (233, 335502), (327, 239058), (342, 228573), (466, 167751), (513, 152382), (654, 119529), (699, 111834), (981, 79686), (1026, 76191), (1398, 55917), (1539, 50794), (1962, 39843), (2071, 37746), (2097, 37278), (2943, 26562), (3078, 25397), (4142, 18873), (4194, 18639), (4427, 17658), (5886, 13281), (6213, 12582), (6291, 12426), (8829, 8854)]