31474982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 64143360

約数和(自身を除く): 32668378

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 62, 77, 133, 154, 209, 217, 266, 341, 347, 418, 434, 589, 682, 694, 1178, 1463, 2387, 2429, 2926, 3817, 4123, 4774, 4858, 6479, 6593, 7634, 8246, 10757, 12958, 13186, 21514, 26719, 45353, 46151, 53438, 72523, 75299, 90706, 92302, 118327, 145046, 150598, 204383, 236654, 408766, 507661, 828289, 1015322, 1430681, 1656578, 2248213, 2861362, 4496426, 15737491, 31474982]

約数ペア:

[(1, 31474982), (2, 15737491), (7, 4496426), (11, 2861362), (14, 2248213), (19, 1656578), (22, 1430681), (31, 1015322), (38, 828289), (62, 507661), (77, 408766), (133, 236654), (154, 204383), (209, 150598), (217, 145046), (266, 118327), (341, 92302), (347, 90706), (418, 75299), (434, 72523), (589, 53438), (682, 46151), (694, 45353), (1178, 26719), (1463, 21514), (2387, 13186), (2429, 12958), (2926, 10757), (3817, 8246), (4123, 7634), (4774, 6593), (4858, 6479)]