28117492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 28330508

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 149, 191, 247, 298, 382, 494, 596, 764, 988, 1937, 2483, 2831, 3629, 3874, 4966, 5662, 7258, 7748, 9932, 11324, 14516, 28459, 36803, 47177, 56918, 73606, 94354, 113836, 147212, 188708, 369967, 540721, 739934, 1081442, 1479868, 2162884, 7029373, 14058746, 28117492]

約数ペア:

[(1, 28117492), (2, 14058746), (4, 7029373), (13, 2162884), (19, 1479868), (26, 1081442), (38, 739934), (52, 540721), (76, 369967), (149, 188708), (191, 147212), (247, 113836), (298, 94354), (382, 73606), (494, 56918), (596, 47177), (764, 36803), (988, 28459), (1937, 14516), (2483, 11324), (2831, 9932), (3629, 7748), (3874, 7258), (4966, 5662)]