39720492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{967}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 115571456

約数和(自身を除く): 75850964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 489, 652, 967, 978, 1141, 1467, 1934, 1956, 2282, 2901, 2934, 3423, 3868, 4564, 5802, 5868, 6769, 6846, 8703, 10269, 11604, 13538, 13692, 17406, 20307, 20538, 27076, 34812, 40614, 41076, 60921, 81228, 121842, 157621, 243684, 315242, 472863, 630484, 945726, 1103347, 1418589, 1891452, 2206694, 2837178, 3310041, 4413388, 5674356, 6620082, 9930123, 13240164, 19860246, 39720492]

約数ペア:

[(1, 39720492), (2, 19860246), (3, 13240164), (4, 9930123), (6, 6620082), (7, 5674356), (9, 4413388), (12, 3310041), (14, 2837178), (18, 2206694), (21, 1891452), (28, 1418589), (36, 1103347), (42, 945726), (63, 630484), (84, 472863), (126, 315242), (163, 243684), (252, 157621), (326, 121842), (489, 81228), (652, 60921), (967, 41076), (978, 40614), (1141, 34812), (1467, 27076), (1934, 20538), (1956, 20307), (2282, 17406), (2901, 13692), (2934, 13538), (3423, 11604), (3868, 10269), (4564, 8703), (5802, 6846), (5868, 6769)]