8381268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 24577280

約数和(自身を除く): 16196012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 421, 474, 553, 711, 842, 948, 1106, 1263, 1422, 1659, 1684, 2212, 2526, 2844, 2947, 3318, 3789, 4977, 5052, 5894, 6636, 7578, 8841, 9954, 11788, 15156, 17682, 19908, 26523, 33259, 35364, 53046, 66518, 99777, 106092, 133036, 199554, 232813, 299331, 399108, 465626, 598662, 698439, 931252, 1197324, 1396878, 2095317, 2793756, 4190634, 8381268]

約数ペア:

[(1, 8381268), (2, 4190634), (3, 2793756), (4, 2095317), (6, 1396878), (7, 1197324), (9, 931252), (12, 698439), (14, 598662), (18, 465626), (21, 399108), (28, 299331), (36, 232813), (42, 199554), (63, 133036), (79, 106092), (84, 99777), (126, 66518), (158, 53046), (237, 35364), (252, 33259), (316, 26523), (421, 19908), (474, 17682), (553, 15156), (711, 11788), (842, 9954), (948, 8841), (1106, 7578), (1263, 6636), (1422, 5894), (1659, 5052), (1684, 4977), (2212, 3789), (2526, 3318), (2844, 2947)]