388438674

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5281}}^1$

素因数の和:5363

約数の個数: 64

約数和(自身を含む): 894475008

約数和(自身を除く): 506036334

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 41, 46, 69, 78, 82, 123, 138, 246, 299, 533, 598, 897, 943, 1066, 1599, 1794, 1886, 2829, 3198, 5281, 5658, 10562, 12259, 15843, 24518, 31686, 36777, 68653, 73554, 121463, 137306, 205959, 216521, 242926, 364389, 411918, 433042, 649563, 728778, 1299126, 1579019, 2814773, 3158038, 4737057, 4979983, 5629546, 8444319, 9474114, 9959966, 14939949, 16888638, 29879898, 64739779, 129479558, 194219337, 388438674]

約数ペア:

[(1, 388438674), (2, 194219337), (3, 129479558), (6, 64739779), (13, 29879898), (23, 16888638), (26, 14939949), (39, 9959966), (41, 9474114), (46, 8444319), (69, 5629546), (78, 4979983), (82, 4737057), (123, 3158038), (138, 2814773), (246, 1579019), (299, 1299126), (533, 728778), (598, 649563), (897, 433042), (943, 411918), (1066, 364389), (1599, 242926), (1794, 216521), (1886, 205959), (2829, 137306), (3198, 121463), (5281, 73554), (5658, 68653), (10562, 36777), (12259, 31686), (15843, 24518)]