31997406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 77944320

約数和(自身を除く): 45946914

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 101, 114, 133, 202, 266, 303, 397, 399, 606, 707, 794, 798, 1191, 1414, 1919, 2121, 2382, 2779, 3838, 4242, 5558, 5757, 7543, 8337, 11514, 13433, 15086, 16674, 22629, 26866, 40097, 40299, 45258, 52801, 80194, 80598, 105602, 120291, 158403, 240582, 280679, 316806, 561358, 761843, 842037, 1523686, 1684074, 2285529, 4571058, 5332901, 10665802, 15998703, 31997406]

約数ペア:

[(1, 31997406), (2, 15998703), (3, 10665802), (6, 5332901), (7, 4571058), (14, 2285529), (19, 1684074), (21, 1523686), (38, 842037), (42, 761843), (57, 561358), (101, 316806), (114, 280679), (133, 240582), (202, 158403), (266, 120291), (303, 105602), (397, 80598), (399, 80194), (606, 52801), (707, 45258), (794, 40299), (798, 40097), (1191, 26866), (1414, 22629), (1919, 16674), (2121, 15086), (2382, 13433), (2779, 11514), (3838, 8337), (4242, 7543), (5558, 5757)]