81028402

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1547

約数の個数: 48

約数和(自身を含む): 157057920

約数和(自身を除く): 76029518

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 169, 182, 299, 322, 338, 598, 1183, 1489, 2093, 2366, 2978, 3887, 4186, 7774, 10423, 19357, 20846, 27209, 34247, 38714, 54418, 68494, 135499, 239729, 251641, 270998, 445211, 479458, 503282, 890422, 1761487, 3116477, 3522974, 5787743, 6232954, 11575486, 40514201, 81028402]

約数ペア:

[(1, 81028402), (2, 40514201), (7, 11575486), (13, 6232954), (14, 5787743), (23, 3522974), (26, 3116477), (46, 1761487), (91, 890422), (161, 503282), (169, 479458), (182, 445211), (299, 270998), (322, 251641), (338, 239729), (598, 135499), (1183, 68494), (1489, 54418), (2093, 38714), (2366, 34247), (2978, 27209), (3887, 20846), (4186, 19357), (7774, 10423)]