2820246

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 7015680

約数和(自身を除く): 4195434

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 173, 209, 247, 286, 346, 418, 429, 494, 519, 627, 741, 858, 1038, 1254, 1482, 1903, 2249, 2717, 3287, 3806, 4498, 5434, 5709, 6574, 6747, 8151, 9861, 11418, 13494, 16302, 19722, 24739, 36157, 42731, 49478, 72314, 74217, 85462, 108471, 128193, 148434, 216942, 256386, 470041, 940082, 1410123, 2820246]

約数ペア:

[(1, 2820246), (2, 1410123), (3, 940082), (6, 470041), (11, 256386), (13, 216942), (19, 148434), (22, 128193), (26, 108471), (33, 85462), (38, 74217), (39, 72314), (57, 49478), (66, 42731), (78, 36157), (114, 24739), (143, 19722), (173, 16302), (209, 13494), (247, 11418), (286, 9861), (346, 8151), (418, 6747), (429, 6574), (494, 5709), (519, 5434), (627, 4498), (741, 3806), (858, 3287), (1038, 2717), (1254, 2249), (1482, 1903)]