211702218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20407}}^1$

素因数の和:20451

約数の個数: 64

約数和(自身を含む): 548567040

約数和(自身を除く): 336864822

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 20407, 40814, 61221, 122442, 142849, 265291, 285698, 387733, 428547, 530582, 775466, 795873, 857094, 1163199, 1591746, 1857037, 2326398, 2714131, 3714074, 5040529, 5428262, 5571111, 8142393, 10081058, 11142222, 15121587, 16284786, 30243174, 35283703, 70567406, 105851109, 211702218]

約数ペア:

[(1, 211702218), (2, 105851109), (3, 70567406), (6, 35283703), (7, 30243174), (13, 16284786), (14, 15121587), (19, 11142222), (21, 10081058), (26, 8142393), (38, 5571111), (39, 5428262), (42, 5040529), (57, 3714074), (78, 2714131), (91, 2326398), (114, 1857037), (133, 1591746), (182, 1163199), (247, 857094), (266, 795873), (273, 775466), (399, 530582), (494, 428547), (546, 387733), (741, 285698), (798, 265291), (1482, 142849), (1729, 122442), (3458, 61221), (5187, 40814), (10374, 20407)]