155277808

素因数分解:

$2^4\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1399}}^1$

素因数の和:2405

約数の個数: 40

約数和(自身を含む): 344422400

約数和(自身を除く): 189144592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 991, 1399, 1982, 2798, 3964, 5596, 6937, 7928, 9793, 11192, 13874, 15856, 19586, 22384, 27748, 39172, 55496, 78344, 110992, 156688, 1386409, 2772818, 5545636, 9704863, 11091272, 19409726, 22182544, 38819452, 77638904, 155277808]

約数ペア:

[(1, 155277808), (2, 77638904), (4, 38819452), (7, 22182544), (8, 19409726), (14, 11091272), (16, 9704863), (28, 5545636), (56, 2772818), (112, 1386409), (991, 156688), (1399, 110992), (1982, 78344), (2798, 55496), (3964, 39172), (5596, 27748), (6937, 22384), (7928, 19586), (9793, 15856), (11192, 13874)]