81437916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 227566080

約数和(自身を除く): 146128164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 101, 116, 174, 202, 203, 303, 331, 348, 404, 406, 606, 609, 662, 707, 812, 993, 1212, 1218, 1324, 1414, 1986, 2121, 2317, 2436, 2828, 2929, 3972, 4242, 4634, 5858, 6951, 8484, 8787, 9268, 9599, 11716, 13902, 17574, 19198, 20503, 27804, 28797, 33431, 35148, 38396, 41006, 57594, 61509, 66862, 67193, 82012, 100293, 115188, 123018, 133724, 134386, 200586, 201579, 234017, 246036, 268772, 401172, 403158, 468034, 702051, 806316, 936068, 969499, 1404102, 1938998, 2808204, 2908497, 3877996, 5816994, 6786493, 11633988, 13572986, 20359479, 27145972, 40718958, 81437916]

約数ペア:

[(1, 81437916), (2, 40718958), (3, 27145972), (4, 20359479), (6, 13572986), (7, 11633988), (12, 6786493), (14, 5816994), (21, 3877996), (28, 2908497), (29, 2808204), (42, 1938998), (58, 1404102), (84, 969499), (87, 936068), (101, 806316), (116, 702051), (174, 468034), (202, 403158), (203, 401172), (303, 268772), (331, 246036), (348, 234017), (404, 201579), (406, 200586), (606, 134386), (609, 133724), (662, 123018), (707, 115188), (812, 100293), (993, 82012), (1212, 67193), (1218, 66862), (1324, 61509), (1414, 57594), (1986, 41006), (2121, 38396), (2317, 35148), (2436, 33431), (2828, 28797), (2929, 27804), (3972, 20503), (4242, 19198), (4634, 17574), (5858, 13902), (6951, 11716), (8484, 9599), (8787, 9268)]