31040156

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 65404416

約数和(自身を除く): 34364260

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 307, 314, 322, 614, 628, 644, 1099, 1228, 2149, 2198, 3611, 4298, 4396, 7061, 7222, 8596, 14122, 14444, 25277, 28244, 48199, 49427, 50554, 96398, 98854, 101108, 192796, 197708, 337393, 674786, 1108577, 1349572, 2217154, 4434308, 7760039, 15520078, 31040156]

約数ペア:

[(1, 31040156), (2, 15520078), (4, 7760039), (7, 4434308), (14, 2217154), (23, 1349572), (28, 1108577), (46, 674786), (92, 337393), (157, 197708), (161, 192796), (307, 101108), (314, 98854), (322, 96398), (614, 50554), (628, 49427), (644, 48199), (1099, 28244), (1228, 25277), (2149, 14444), (2198, 14122), (3611, 8596), (4298, 7222), (4396, 7061)]