2019979864

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{5233}}^1$

素因数の和:5420

約数の個数: 64

約数和(自身を含む): 4439269440

約数和(自身を除く): 2419289576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 113, 122, 226, 244, 427, 452, 488, 791, 854, 904, 1582, 1708, 3164, 3416, 5233, 6328, 6893, 10466, 13786, 20932, 27572, 36631, 41864, 48251, 55144, 73262, 96502, 146524, 193004, 293048, 319213, 386008, 591329, 638426, 1182658, 1276852, 2234491, 2365316, 2553704, 4139303, 4468982, 4730632, 8278606, 8937964, 16557212, 17875928, 33114424, 36071069, 72142138, 144284276, 252497483, 288568552, 504994966, 1009989932, 2019979864]

約数ペア:

[(1, 2019979864), (2, 1009989932), (4, 504994966), (7, 288568552), (8, 252497483), (14, 144284276), (28, 72142138), (56, 36071069), (61, 33114424), (113, 17875928), (122, 16557212), (226, 8937964), (244, 8278606), (427, 4730632), (452, 4468982), (488, 4139303), (791, 2553704), (854, 2365316), (904, 2234491), (1582, 1276852), (1708, 1182658), (3164, 638426), (3416, 591329), (5233, 386008), (6328, 319213), (6893, 293048), (10466, 193004), (13786, 146524), (20932, 96502), (27572, 73262), (36631, 55144), (41864, 48251)]