1661648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 3515400

約数和(自身を除く): 1853752

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 149, 164, 272, 298, 328, 596, 656, 697, 1192, 1394, 2384, 2533, 2788, 5066, 5576, 6109, 10132, 11152, 12218, 20264, 24436, 40528, 48872, 97744, 103853, 207706, 415412, 830824, 1661648]

約数ペア:

[(1, 1661648), (2, 830824), (4, 415412), (8, 207706), (16, 103853), (17, 97744), (34, 48872), (41, 40528), (68, 24436), (82, 20264), (136, 12218), (149, 11152), (164, 10132), (272, 6109), (298, 5576), (328, 5066), (596, 2788), (656, 2533), (697, 2384), (1192, 1394)]