161662928

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 381832704

約数和(自身を除く): 220169776

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 197, 238, 272, 394, 431, 476, 788, 862, 952, 1379, 1576, 1724, 1904, 2758, 3017, 3152, 3349, 3448, 5516, 6034, 6698, 6896, 7327, 11032, 12068, 13396, 14654, 22064, 23443, 24136, 26792, 29308, 46886, 48272, 51289, 53584, 58616, 84907, 93772, 102578, 117232, 169814, 187544, 205156, 339628, 375088, 410312, 594349, 679256, 820624, 1188698, 1358512, 1443419, 2377396, 2886838, 4754792, 5773676, 9509584, 10103933, 11547352, 20207866, 23094704, 40415732, 80831464, 161662928]

約数ペア:

[(1, 161662928), (2, 80831464), (4, 40415732), (7, 23094704), (8, 20207866), (14, 11547352), (16, 10103933), (17, 9509584), (28, 5773676), (34, 4754792), (56, 2886838), (68, 2377396), (112, 1443419), (119, 1358512), (136, 1188698), (197, 820624), (238, 679256), (272, 594349), (394, 410312), (431, 375088), (476, 339628), (788, 205156), (862, 187544), (952, 169814), (1379, 117232), (1576, 102578), (1724, 93772), (1904, 84907), (2758, 58616), (3017, 53584), (3152, 51289), (3349, 48272), (3448, 46886), (5516, 29308), (6034, 26792), (6698, 24136), (6896, 23443), (7327, 22064), (11032, 14654), (12068, 13396)]