881008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 1874880

約数和(自身を除く): 993872

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 79, 82, 136, 158, 164, 272, 316, 328, 632, 656, 697, 1264, 1343, 1394, 2686, 2788, 3239, 5372, 5576, 6478, 10744, 11152, 12956, 21488, 25912, 51824, 55063, 110126, 220252, 440504, 881008]

約数ペア:

[(1, 881008), (2, 440504), (4, 220252), (8, 110126), (16, 55063), (17, 51824), (34, 25912), (41, 21488), (68, 12956), (79, 11152), (82, 10744), (136, 6478), (158, 5576), (164, 5372), (272, 3239), (316, 2788), (328, 2686), (632, 1394), (656, 1343), (697, 1264)]