894045985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 1290207744

約数和(自身を除く): 396161759

約数列:

[1, 5, 7, 35, 37, 47, 185, 235, 259, 329, 397, 1295, 1369, 1645, 1739, 1985, 2779, 6845, 8695, 9583, 12173, 13895, 14689, 18659, 47915, 60865, 64343, 73445, 93295, 102823, 130613, 321715, 450401, 514115, 543493, 653065, 690383, 2252005, 2717465, 3451915, 3804451, 4832681, 19022255, 24163405, 25544171, 127720855, 178809197, 894045985]

約数ペア:

[(1, 894045985), (5, 178809197), (7, 127720855), (35, 25544171), (37, 24163405), (47, 19022255), (185, 4832681), (235, 3804451), (259, 3451915), (329, 2717465), (397, 2252005), (1295, 690383), (1369, 653065), (1645, 543493), (1739, 514115), (1985, 450401), (2779, 321715), (6845, 130613), (8695, 102823), (9583, 93295), (12173, 73445), (13895, 64343), (14689, 60865), (18659, 47915)]