163940988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{607}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 389781504

約数和(自身を除く): 225840516

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 317, 426, 607, 634, 852, 951, 1214, 1268, 1821, 1902, 2428, 3642, 3804, 7284, 22507, 43097, 45014, 67521, 86194, 90028, 129291, 135042, 172388, 192419, 258582, 270084, 384838, 517164, 577257, 769676, 1154514, 2309028, 13661749, 27323498, 40985247, 54646996, 81970494, 163940988]

約数ペア:

[(1, 163940988), (2, 81970494), (3, 54646996), (4, 40985247), (6, 27323498), (12, 13661749), (71, 2309028), (142, 1154514), (213, 769676), (284, 577257), (317, 517164), (426, 384838), (607, 270084), (634, 258582), (852, 192419), (951, 172388), (1214, 135042), (1268, 129291), (1821, 90028), (1902, 86194), (2428, 67521), (3642, 45014), (3804, 43097), (7284, 22507)]