90897156

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{227}}^2$

素因数の和:478

約数の個数: 81

約数和(自身を含む): 268463559

約数和(自身を除く): 177566403

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 227, 252, 294, 441, 454, 588, 681, 882, 908, 1362, 1589, 1764, 2043, 2724, 3178, 4086, 4767, 6356, 8172, 9534, 11123, 14301, 19068, 22246, 28602, 33369, 44492, 51529, 57204, 66738, 100107, 103058, 133476, 154587, 200214, 206116, 309174, 360703, 400428, 463761, 618348, 721406, 927522, 1082109, 1442812, 1855044, 2164218, 2524921, 3246327, 4328436, 5049842, 6492654, 7574763, 10099684, 12985308, 15149526, 22724289, 30299052, 45448578, 90897156]

約数ペア:

[(1, 90897156), (2, 45448578), (3, 30299052), (4, 22724289), (6, 15149526), (7, 12985308), (9, 10099684), (12, 7574763), (14, 6492654), (18, 5049842), (21, 4328436), (28, 3246327), (36, 2524921), (42, 2164218), (49, 1855044), (63, 1442812), (84, 1082109), (98, 927522), (126, 721406), (147, 618348), (196, 463761), (227, 400428), (252, 360703), (294, 309174), (441, 206116), (454, 200214), (588, 154587), (681, 133476), (882, 103058), (908, 100107), (1362, 66738), (1589, 57204), (1764, 51529), (2043, 44492), (2724, 33369), (3178, 28602), (4086, 22246), (4767, 19068), (6356, 14301), (8172, 11123)]