1291210478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 2045226240

約数和(自身を除く): 754015762

約数列:

[1, 2, 23, 46, 137, 274, 331, 619, 662, 1238, 3151, 6302, 7613, 14237, 15226, 28474, 45347, 84803, 90694, 169606, 204889, 409778, 1042981, 1950469, 2085962, 3900938, 4712447, 9424894, 28069793, 56139586, 645605239, 1291210478]

約数ペア:

[(1, 1291210478), (2, 645605239), (23, 56139586), (46, 28069793), (137, 9424894), (274, 4712447), (331, 3900938), (619, 2085962), (662, 1950469), (1238, 1042981), (3151, 409778), (6302, 204889), (7613, 169606), (14237, 90694), (15226, 84803), (28474, 45347)]