257081916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5009}}^1$

素因数の和:5083

約数の個数: 96

約数和(自身を含む): 754145280

約数和(自身を除く): 497063364

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 47, 52, 78, 84, 91, 94, 141, 156, 182, 188, 273, 282, 329, 364, 546, 564, 611, 658, 987, 1092, 1222, 1316, 1833, 1974, 2444, 3666, 3948, 4277, 5009, 7332, 8554, 10018, 12831, 15027, 17108, 20036, 25662, 30054, 35063, 51324, 60108, 65117, 70126, 105189, 130234, 140252, 195351, 210378, 235423, 260468, 390702, 420756, 455819, 470846, 706269, 781404, 911638, 941692, 1367457, 1412538, 1647961, 1823276, 2734914, 2825076, 3060499, 3295922, 4943883, 5469828, 6120998, 6591844, 9181497, 9887766, 12241996, 18362994, 19775532, 21423493, 36725988, 42846986, 64270479, 85693972, 128540958, 257081916]

約数ペア:

[(1, 257081916), (2, 128540958), (3, 85693972), (4, 64270479), (6, 42846986), (7, 36725988), (12, 21423493), (13, 19775532), (14, 18362994), (21, 12241996), (26, 9887766), (28, 9181497), (39, 6591844), (42, 6120998), (47, 5469828), (52, 4943883), (78, 3295922), (84, 3060499), (91, 2825076), (94, 2734914), (141, 1823276), (156, 1647961), (182, 1412538), (188, 1367457), (273, 941692), (282, 911638), (329, 781404), (364, 706269), (546, 470846), (564, 455819), (611, 420756), (658, 390702), (987, 260468), (1092, 235423), (1222, 210378), (1316, 195351), (1833, 140252), (1974, 130234), (2444, 105189), (3666, 70126), (3948, 65117), (4277, 60108), (5009, 51324), (7332, 35063), (8554, 30054), (10018, 25662), (12831, 20036), (15027, 17108)]