8896888

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 22790880

約数和(自身を除く): 13893992

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 101, 104, 121, 143, 154, 182, 202, 242, 286, 308, 364, 404, 484, 572, 616, 707, 728, 808, 847, 968, 1001, 1111, 1144, 1313, 1414, 1573, 1694, 2002, 2222, 2626, 2828, 3146, 3388, 4004, 4444, 5252, 5656, 6292, 6776, 7777, 8008, 8888, 9191, 10504, 11011, 12221, 12584, 14443, 15554, 18382, 22022, 24442, 28886, 31108, 36764, 44044, 48884, 57772, 62216, 73528, 85547, 88088, 97768, 101101, 115544, 158873, 171094, 202202, 317746, 342188, 404404, 635492, 684376, 808808, 1112111, 1270984, 2224222, 4448444, 8896888]

約数ペア:

[(1, 8896888), (2, 4448444), (4, 2224222), (7, 1270984), (8, 1112111), (11, 808808), (13, 684376), (14, 635492), (22, 404404), (26, 342188), (28, 317746), (44, 202202), (52, 171094), (56, 158873), (77, 115544), (88, 101101), (91, 97768), (101, 88088), (104, 85547), (121, 73528), (143, 62216), (154, 57772), (182, 48884), (202, 44044), (242, 36764), (286, 31108), (308, 28886), (364, 24442), (404, 22022), (484, 18382), (572, 15554), (616, 14443), (707, 12584), (728, 12221), (808, 11011), (847, 10504), (968, 9191), (1001, 8888), (1111, 8008), (1144, 7777), (1313, 6776), (1414, 6292), (1573, 5656), (1694, 5252), (2002, 4444), (2222, 4004), (2626, 3388), (2828, 3146)]