31139108

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 75779676

約数和(自身を除く): 44640568

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 101, 121, 143, 154, 182, 196, 202, 242, 286, 308, 364, 404, 484, 539, 572, 637, 707, 847, 1001, 1078, 1111, 1274, 1313, 1414, 1573, 1694, 2002, 2156, 2222, 2548, 2626, 2828, 3146, 3388, 4004, 4444, 4949, 5252, 5929, 6292, 7007, 7777, 9191, 9898, 11011, 11858, 12221, 14014, 14443, 15554, 18382, 19796, 22022, 23716, 24442, 28028, 28886, 31108, 36764, 44044, 48884, 54439, 57772, 64337, 77077, 85547, 101101, 108878, 128674, 154154, 158873, 171094, 202202, 217756, 257348, 308308, 317746, 342188, 404404, 598829, 635492, 707707, 1112111, 1197658, 1415414, 2224222, 2395316, 2830828, 4448444, 7784777, 15569554, 31139108]

約数ペア:

[(1, 31139108), (2, 15569554), (4, 7784777), (7, 4448444), (11, 2830828), (13, 2395316), (14, 2224222), (22, 1415414), (26, 1197658), (28, 1112111), (44, 707707), (49, 635492), (52, 598829), (77, 404404), (91, 342188), (98, 317746), (101, 308308), (121, 257348), (143, 217756), (154, 202202), (182, 171094), (196, 158873), (202, 154154), (242, 128674), (286, 108878), (308, 101101), (364, 85547), (404, 77077), (484, 64337), (539, 57772), (572, 54439), (637, 48884), (707, 44044), (847, 36764), (1001, 31108), (1078, 28886), (1111, 28028), (1274, 24442), (1313, 23716), (1414, 22022), (1573, 19796), (1694, 18382), (2002, 15554), (2156, 14443), (2222, 14014), (2548, 12221), (2626, 11858), (2828, 11011), (3146, 9898), (3388, 9191), (4004, 7777), (4444, 7007), (4949, 6292), (5252, 5929)]