215399772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4051}}^1$

素因数の和:4279

約数の個数: 72

約数和(自身を含む): 625369472

約数和(自身を除く): 409969700

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 422, 633, 844, 1266, 1477, 1899, 2532, 2954, 3798, 4051, 4431, 5908, 7596, 8102, 8862, 12153, 13293, 16204, 17724, 24306, 26586, 28357, 36459, 48612, 53172, 56714, 72918, 85071, 113428, 145836, 170142, 255213, 340284, 510426, 854761, 1020852, 1709522, 2564283, 3419044, 5128566, 5983327, 7692849, 10257132, 11966654, 15385698, 17949981, 23933308, 30771396, 35899962, 53849943, 71799924, 107699886, 215399772]

約数ペア:

[(1, 215399772), (2, 107699886), (3, 71799924), (4, 53849943), (6, 35899962), (7, 30771396), (9, 23933308), (12, 17949981), (14, 15385698), (18, 11966654), (21, 10257132), (28, 7692849), (36, 5983327), (42, 5128566), (63, 3419044), (84, 2564283), (126, 1709522), (211, 1020852), (252, 854761), (422, 510426), (633, 340284), (844, 255213), (1266, 170142), (1477, 145836), (1899, 113428), (2532, 85071), (2954, 72918), (3798, 56714), (4051, 53172), (4431, 48612), (5908, 36459), (7596, 28357), (8102, 26586), (8862, 24306), (12153, 17724), (13293, 16204)]