1001997996

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2\times {\mathrm{167}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 2447133696

約数和(自身を除く): 1445135700

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 127, 167, 186, 254, 334, 372, 381, 501, 508, 668, 762, 1002, 1524, 2004, 3937, 5177, 7874, 10354, 11811, 15531, 15748, 16129, 20708, 21209, 23622, 31062, 32258, 42418, 47244, 48387, 62124, 63627, 64516, 84836, 96774, 127254, 193548, 254508, 499999, 657479, 999998, 1314958, 1499997, 1972437, 1999996, 2629916, 2693543, 2999994, 3944874, 5387086, 5999988, 7889748, 8080629, 10774172, 16161258, 32322516, 83499833, 166999666, 250499499, 333999332, 500998998, 1001997996]

約数ペア:

[(1, 1001997996), (2, 500998998), (3, 333999332), (4, 250499499), (6, 166999666), (12, 83499833), (31, 32322516), (62, 16161258), (93, 10774172), (124, 8080629), (127, 7889748), (167, 5999988), (186, 5387086), (254, 3944874), (334, 2999994), (372, 2693543), (381, 2629916), (501, 1999996), (508, 1972437), (668, 1499997), (762, 1314958), (1002, 999998), (1524, 657479), (2004, 499999), (3937, 254508), (5177, 193548), (7874, 127254), (10354, 96774), (11811, 84836), (15531, 64516), (15748, 63627), (16129, 62124), (20708, 48387), (21209, 47244), (23622, 42418), (31062, 32258)]