31503368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 36536632

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 107, 149, 152, 214, 247, 298, 428, 494, 596, 856, 988, 1192, 1391, 1937, 1976, 2033, 2782, 2831, 3874, 4066, 5564, 5662, 7748, 8132, 11128, 11324, 15496, 15943, 16264, 22648, 26429, 31886, 36803, 52858, 63772, 73606, 105716, 127544, 147212, 207259, 211432, 294424, 302917, 414518, 605834, 829036, 1211668, 1658072, 2423336, 3937921, 7875842, 15751684, 31503368]

約数ペア:

[(1, 31503368), (2, 15751684), (4, 7875842), (8, 3937921), (13, 2423336), (19, 1658072), (26, 1211668), (38, 829036), (52, 605834), (76, 414518), (104, 302917), (107, 294424), (149, 211432), (152, 207259), (214, 147212), (247, 127544), (298, 105716), (428, 73606), (494, 63772), (596, 52858), (856, 36803), (988, 31886), (1192, 26429), (1391, 22648), (1937, 16264), (1976, 15943), (2033, 15496), (2782, 11324), (2831, 11128), (3874, 8132), (4066, 7748), (5564, 5662)]