311948988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{797}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 793256688

約数和(自身を除く): 481307700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 193, 338, 386, 507, 579, 676, 772, 797, 1014, 1158, 1594, 2028, 2316, 2391, 2509, 3188, 4782, 5018, 7527, 9564, 10036, 10361, 15054, 20722, 30108, 31083, 32617, 41444, 62166, 65234, 97851, 124332, 130468, 134693, 153821, 195702, 269386, 307642, 391404, 404079, 461463, 538772, 615284, 808158, 922926, 1616316, 1845852, 1999673, 3999346, 5999019, 7998692, 11998038, 23996076, 25995749, 51991498, 77987247, 103982996, 155974494, 311948988]

約数ペア:

[(1, 311948988), (2, 155974494), (3, 103982996), (4, 77987247), (6, 51991498), (12, 25995749), (13, 23996076), (26, 11998038), (39, 7998692), (52, 5999019), (78, 3999346), (156, 1999673), (169, 1845852), (193, 1616316), (338, 922926), (386, 808158), (507, 615284), (579, 538772), (676, 461463), (772, 404079), (797, 391404), (1014, 307642), (1158, 269386), (1594, 195702), (2028, 153821), (2316, 134693), (2391, 130468), (2509, 124332), (3188, 97851), (4782, 65234), (5018, 62166), (7527, 41444), (9564, 32617), (10036, 31083), (10361, 30108), (15054, 20722)]