15881268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 41319936

約数和(自身を除く): 25438668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 169, 191, 246, 338, 382, 492, 507, 533, 573, 676, 764, 1014, 1066, 1146, 1599, 2028, 2132, 2292, 2483, 3198, 4966, 6396, 6929, 7449, 7831, 9932, 13858, 14898, 15662, 20787, 23493, 27716, 29796, 31324, 32279, 41574, 46986, 64558, 83148, 93972, 96837, 101803, 129116, 193674, 203606, 305409, 387348, 407212, 610818, 1221636, 1323439, 2646878, 3970317, 5293756, 7940634, 15881268]

約数ペア:

[(1, 15881268), (2, 7940634), (3, 5293756), (4, 3970317), (6, 2646878), (12, 1323439), (13, 1221636), (26, 610818), (39, 407212), (41, 387348), (52, 305409), (78, 203606), (82, 193674), (123, 129116), (156, 101803), (164, 96837), (169, 93972), (191, 83148), (246, 64558), (338, 46986), (382, 41574), (492, 32279), (507, 31324), (533, 29796), (573, 27716), (676, 23493), (764, 20787), (1014, 15662), (1066, 14898), (1146, 13858), (1599, 9932), (2028, 7831), (2132, 7449), (2292, 6929), (2483, 6396), (3198, 4966)]