81387222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1401

約数の個数: 64

約数和(自身を含む): 198451200

約数和(自身を除く): 117063978

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 79, 114, 133, 158, 237, 266, 399, 474, 553, 798, 1106, 1291, 1501, 1659, 2582, 3002, 3318, 3873, 4503, 7746, 9006, 9037, 10507, 18074, 21014, 24529, 27111, 31521, 49058, 54222, 63042, 73587, 101989, 147174, 171703, 203978, 305967, 343406, 515109, 611934, 713923, 1030218, 1427846, 1937791, 2141769, 3875582, 4283538, 5813373, 11626746, 13564537, 27129074, 40693611, 81387222]

約数ペア:

[(1, 81387222), (2, 40693611), (3, 27129074), (6, 13564537), (7, 11626746), (14, 5813373), (19, 4283538), (21, 3875582), (38, 2141769), (42, 1937791), (57, 1427846), (79, 1030218), (114, 713923), (133, 611934), (158, 515109), (237, 343406), (266, 305967), (399, 203978), (474, 171703), (553, 147174), (798, 101989), (1106, 73587), (1291, 63042), (1501, 54222), (1659, 49058), (2582, 31521), (3002, 27111), (3318, 24529), (3873, 21014), (4503, 18074), (7746, 10507), (9006, 9037)]