2830828

素因数分解:

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

素因数の和:143

約数の個数: 72

約数和(自身を含む): 6837264

約数和(自身を除く): 4006436

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 101, 143, 154, 182, 196, 202, 286, 308, 364, 404, 539, 572, 637, 707, 1001, 1078, 1111, 1274, 1313, 1414, 2002, 2156, 2222, 2548, 2626, 2828, 4004, 4444, 4949, 5252, 7007, 7777, 9191, 9898, 14014, 14443, 15554, 18382, 19796, 28028, 28886, 31108, 36764, 54439, 57772, 64337, 101101, 108878, 128674, 202202, 217756, 257348, 404404, 707707, 1415414, 2830828]

約数ペア:

[(1, 2830828), (2, 1415414), (4, 707707), (7, 404404), (11, 257348), (13, 217756), (14, 202202), (22, 128674), (26, 108878), (28, 101101), (44, 64337), (49, 57772), (52, 54439), (77, 36764), (91, 31108), (98, 28886), (101, 28028), (143, 19796), (154, 18382), (182, 15554), (196, 14443), (202, 14014), (286, 9898), (308, 9191), (364, 7777), (404, 7007), (539, 5252), (572, 4949), (637, 4444), (707, 4004), (1001, 2828), (1078, 2626), (1111, 2548), (1274, 2222), (1313, 2156), (1414, 2002)]