1997900646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1\times {\mathrm{1747}}^1$

素因数の和:2205

約数の個数: 64

約数和(自身を含む): 4644254208

約数和(自身を除く): 2646353562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 373, 438, 511, 746, 1022, 1119, 1533, 1747, 2238, 2611, 3066, 3494, 5222, 5241, 7833, 10482, 12229, 15666, 24458, 27229, 36687, 54458, 73374, 81687, 127531, 163374, 190603, 255062, 381206, 382593, 571809, 651631, 765186, 892717, 1143618, 1303262, 1785434, 1954893, 2678151, 3909786, 4561417, 5356302, 9122834, 13684251, 27368502, 47569063, 95138126, 142707189, 285414378, 332983441, 665966882, 998950323, 1997900646]

約数ペア:

[(1, 1997900646), (2, 998950323), (3, 665966882), (6, 332983441), (7, 285414378), (14, 142707189), (21, 95138126), (42, 47569063), (73, 27368502), (146, 13684251), (219, 9122834), (373, 5356302), (438, 4561417), (511, 3909786), (746, 2678151), (1022, 1954893), (1119, 1785434), (1533, 1303262), (1747, 1143618), (2238, 892717), (2611, 765186), (3066, 651631), (3494, 571809), (5222, 382593), (5241, 381206), (7833, 255062), (10482, 190603), (12229, 163374), (15666, 127531), (24458, 81687), (27229, 73374), (36687, 54458)]