161017744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 346518000

約数和(自身を除く): 185500256

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 137, 149, 232, 272, 274, 298, 464, 493, 548, 596, 986, 1096, 1192, 1972, 2192, 2329, 2384, 2533, 3944, 3973, 4321, 4658, 5066, 7888, 7946, 8642, 9316, 10132, 15892, 17284, 18632, 20264, 20413, 31784, 34568, 37264, 40528, 40826, 63568, 67541, 69136, 73457, 81652, 135082, 146914, 163304, 270164, 293828, 326608, 347021, 540328, 587656, 591977, 694042, 1080656, 1175312, 1183954, 1388084, 2367908, 2776168, 4735816, 5552336, 9471632, 10063609, 20127218, 40254436, 80508872, 161017744]

約数ペア:

[(1, 161017744), (2, 80508872), (4, 40254436), (8, 20127218), (16, 10063609), (17, 9471632), (29, 5552336), (34, 4735816), (58, 2776168), (68, 2367908), (116, 1388084), (136, 1183954), (137, 1175312), (149, 1080656), (232, 694042), (272, 591977), (274, 587656), (298, 540328), (464, 347021), (493, 326608), (548, 293828), (596, 270164), (986, 163304), (1096, 146914), (1192, 135082), (1972, 81652), (2192, 73457), (2329, 69136), (2384, 67541), (2533, 63568), (3944, 40826), (3973, 40528), (4321, 37264), (4658, 34568), (5066, 31784), (7888, 20413), (7946, 20264), (8642, 18632), (9316, 17284), (10132, 15892)]