261960478

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 458735616

約数和(自身を除く): 196775138

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 169, 299, 338, 403, 598, 713, 806, 1087, 1426, 2174, 3887, 5239, 7774, 9269, 10478, 14131, 18538, 25001, 28262, 33697, 50002, 67394, 120497, 183703, 240994, 325013, 367406, 438061, 650026, 775031, 876122, 1550062, 4225169, 5694793, 8450338, 10075403, 11389586, 20150806, 130980239, 261960478]

約数ペア:

[(1, 261960478), (2, 130980239), (13, 20150806), (23, 11389586), (26, 10075403), (31, 8450338), (46, 5694793), (62, 4225169), (169, 1550062), (299, 876122), (338, 775031), (403, 650026), (598, 438061), (713, 367406), (806, 325013), (1087, 240994), (1426, 183703), (2174, 120497), (3887, 67394), (5239, 50002), (7774, 33697), (9269, 28262), (10478, 25001), (14131, 18538)]