488888884

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 969751944

約数和(自身を除く): 480863060

約数列:

[1, 2, 4, 11, 22, 44, 73, 101, 121, 137, 146, 202, 242, 274, 292, 404, 484, 548, 803, 1111, 1507, 1606, 2222, 3014, 3212, 4444, 6028, 7373, 8833, 10001, 12221, 13837, 14746, 16577, 17666, 20002, 24442, 27674, 29492, 33154, 35332, 40004, 48884, 55348, 66308, 81103, 110011, 152207, 162206, 220022, 304414, 324412, 440044, 608828, 892133, 1010101, 1210121, 1674277, 1784266, 2020202, 2420242, 3348554, 3568532, 4040404, 4840484, 6697108, 11111111, 22222222, 44444444, 122222221, 244444442, 488888884]

約数ペア:

[(1, 488888884), (2, 244444442), (4, 122222221), (11, 44444444), (22, 22222222), (44, 11111111), (73, 6697108), (101, 4840484), (121, 4040404), (137, 3568532), (146, 3348554), (202, 2420242), (242, 2020202), (274, 1784266), (292, 1674277), (404, 1210121), (484, 1010101), (548, 892133), (803, 608828), (1111, 440044), (1507, 324412), (1606, 304414), (2222, 220022), (3014, 162206), (3212, 152207), (4444, 110011), (6028, 81103), (7373, 66308), (8833, 55348), (10001, 48884), (12221, 40004), (13837, 35332), (14746, 33154), (16577, 29492), (17666, 27674), (20002, 24442)]