1979942468

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1\times {\mathrm{797}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 4225518528

約数和(自身を除く): 2245576060

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 307, 476, 578, 614, 797, 1156, 1228, 1594, 2023, 2149, 3188, 4046, 4298, 5219, 5579, 8092, 8596, 10438, 11158, 13549, 20876, 22316, 27098, 36533, 54196, 73066, 88723, 94843, 146132, 177446, 189686, 230333, 244679, 354892, 379372, 460666, 489358, 621061, 921332, 978716, 1242122, 1612331, 1712753, 2484244, 3224662, 3425506, 4159543, 6449324, 6851012, 8319086, 16638172, 29116801, 58233602, 70712231, 116467204, 141424462, 282848924, 494985617, 989971234, 1979942468]

約数ペア:

[(1, 1979942468), (2, 989971234), (4, 494985617), (7, 282848924), (14, 141424462), (17, 116467204), (28, 70712231), (34, 58233602), (68, 29116801), (119, 16638172), (238, 8319086), (289, 6851012), (307, 6449324), (476, 4159543), (578, 3425506), (614, 3224662), (797, 2484244), (1156, 1712753), (1228, 1612331), (1594, 1242122), (2023, 978716), (2149, 921332), (3188, 621061), (4046, 489358), (4298, 460666), (5219, 379372), (5579, 354892), (8092, 244679), (8596, 230333), (10438, 189686), (11158, 177446), (13549, 146132), (20876, 94843), (22316, 88723), (27098, 73066), (36533, 54196)]