30781576

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9011}}^1$

素因数の和:9085

約数の個数: 32

約数和(自身を含む): 67049280

約数和(自身を除く): 36267704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 9011, 18022, 36044, 63077, 72088, 126154, 252308, 504616, 549671, 1099342, 2198684, 3847697, 4397368, 7695394, 15390788, 30781576]

約数ペア:

[(1, 30781576), (2, 15390788), (4, 7695394), (7, 4397368), (8, 3847697), (14, 2198684), (28, 1099342), (56, 549671), (61, 504616), (122, 252308), (244, 126154), (427, 72088), (488, 63077), (854, 36044), (1708, 18022), (3416, 9011)]