287334929

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 387072000

約数和(自身を除く): 99737071

約数列:

[1, 7, 19, 23, 29, 41, 79, 133, 161, 203, 287, 437, 551, 553, 667, 779, 943, 1189, 1501, 1817, 2291, 3059, 3239, 3857, 4669, 5453, 6601, 8323, 10507, 12673, 12719, 16037, 17917, 22591, 22673, 27347, 34523, 43529, 52693, 61541, 74497, 88711, 93931, 125419, 158137, 191429, 241661, 304703, 368851, 430787, 519593, 521479, 657517, 1001167, 1415443, 1784689, 2160413, 3637151, 7008169, 9908101, 12492823, 15122891, 41047847, 287334929]

約数ペア:

[(1, 287334929), (7, 41047847), (19, 15122891), (23, 12492823), (29, 9908101), (41, 7008169), (79, 3637151), (133, 2160413), (161, 1784689), (203, 1415443), (287, 1001167), (437, 657517), (551, 521479), (553, 519593), (667, 430787), (779, 368851), (943, 304703), (1189, 241661), (1501, 191429), (1817, 158137), (2291, 125419), (3059, 93931), (3239, 88711), (3857, 74497), (4669, 61541), (5453, 52693), (6601, 43529), (8323, 34523), (10507, 27347), (12673, 22673), (12719, 22591), (16037, 17917)]