289952

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 666792

約数和(自身を除く): 376840

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 41, 52, 68, 82, 104, 136, 164, 208, 221, 272, 328, 416, 442, 533, 544, 656, 697, 884, 1066, 1312, 1394, 1768, 2132, 2788, 3536, 4264, 5576, 7072, 8528, 9061, 11152, 17056, 18122, 22304, 36244, 72488, 144976, 289952]

約数ペア:

[(1, 289952), (2, 144976), (4, 72488), (8, 36244), (13, 22304), (16, 18122), (17, 17056), (26, 11152), (32, 9061), (34, 8528), (41, 7072), (52, 5576), (68, 4264), (82, 3536), (104, 2788), (136, 2132), (164, 1768), (208, 1394), (221, 1312), (272, 1066), (328, 884), (416, 697), (442, 656), (533, 544)]