291208204

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 612686592

約数和(自身を除く): 321478388

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 107, 142, 148, 214, 259, 284, 428, 497, 518, 749, 994, 1036, 1369, 1498, 1988, 2627, 2738, 2996, 3959, 5254, 5476, 7597, 7918, 9583, 10508, 15194, 15836, 18389, 19166, 27713, 30388, 36778, 38332, 53179, 55426, 73556, 97199, 106358, 110852, 146483, 194398, 212716, 281089, 292966, 388796, 562178, 585932, 680393, 1025381, 1124356, 1360786, 1967623, 2050762, 2721572, 3935246, 4101524, 7870492, 10400293, 20800586, 41601172, 72802051, 145604102, 291208204]

約数ペア:

[(1, 291208204), (2, 145604102), (4, 72802051), (7, 41601172), (14, 20800586), (28, 10400293), (37, 7870492), (71, 4101524), (74, 3935246), (107, 2721572), (142, 2050762), (148, 1967623), (214, 1360786), (259, 1124356), (284, 1025381), (428, 680393), (497, 585932), (518, 562178), (749, 388796), (994, 292966), (1036, 281089), (1369, 212716), (1498, 194398), (1988, 146483), (2627, 110852), (2738, 106358), (2996, 97199), (3959, 73556), (5254, 55426), (5476, 53179), (7597, 38332), (7918, 36778), (9583, 30388), (10508, 27713), (15194, 19166), (15836, 18389)]