128604366

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:598

約数の個数: 72

約数和(自身を含む): 309228192

約数和(自身を除く): 180623826

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 137, 198, 242, 274, 363, 411, 431, 726, 822, 862, 1089, 1233, 1293, 1507, 2178, 2466, 2586, 3014, 3879, 4521, 4741, 7758, 9042, 9482, 13563, 14223, 16577, 27126, 28446, 33154, 42669, 49731, 52151, 59047, 85338, 99462, 104302, 118094, 149193, 156453, 177141, 298386, 312906, 354282, 469359, 531423, 649517, 938718, 1062846, 1299034, 1948551, 3897102, 5845653, 7144687, 11691306, 14289374, 21434061, 42868122, 64302183, 128604366]

約数ペア:

[(1, 128604366), (2, 64302183), (3, 42868122), (6, 21434061), (9, 14289374), (11, 11691306), (18, 7144687), (22, 5845653), (33, 3897102), (66, 1948551), (99, 1299034), (121, 1062846), (137, 938718), (198, 649517), (242, 531423), (274, 469359), (363, 354282), (411, 312906), (431, 298386), (726, 177141), (822, 156453), (862, 149193), (1089, 118094), (1233, 104302), (1293, 99462), (1507, 85338), (2178, 59047), (2466, 52151), (2586, 49731), (3014, 42669), (3879, 33154), (4521, 28446), (4741, 27126), (7758, 16577), (9042, 14223), (9482, 13563)]