198253908

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 518918400

約数和(自身を除く): 320664492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 89, 129, 172, 178, 258, 267, 356, 387, 516, 534, 774, 801, 1068, 1439, 1548, 1602, 2878, 3204, 3827, 4317, 5756, 7654, 8634, 11481, 12951, 15308, 17268, 22962, 25902, 34443, 45924, 51804, 61877, 68886, 123754, 128071, 137772, 185631, 247508, 256142, 371262, 384213, 512284, 556893, 742524, 768426, 1113786, 1152639, 1536852, 2227572, 2305278, 4610556, 5507053, 11014106, 16521159, 22028212, 33042318, 49563477, 66084636, 99126954, 198253908]

約数ペア:

[(1, 198253908), (2, 99126954), (3, 66084636), (4, 49563477), (6, 33042318), (9, 22028212), (12, 16521159), (18, 11014106), (36, 5507053), (43, 4610556), (86, 2305278), (89, 2227572), (129, 1536852), (172, 1152639), (178, 1113786), (258, 768426), (267, 742524), (356, 556893), (387, 512284), (516, 384213), (534, 371262), (774, 256142), (801, 247508), (1068, 185631), (1439, 137772), (1548, 128071), (1602, 123754), (2878, 68886), (3204, 61877), (3827, 51804), (4317, 45924), (5756, 34443), (7654, 25902), (8634, 22962), (11481, 17268), (12951, 15308)]