213915128

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 476928000

約数和(自身を除く): 263012872

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 149, 217, 248, 298, 434, 596, 827, 868, 1043, 1192, 1654, 1736, 2086, 3308, 4172, 4619, 5789, 6616, 8344, 9238, 11578, 18476, 23156, 25637, 32333, 36952, 46312, 51274, 64666, 102548, 123223, 129332, 179459, 205096, 246446, 258664, 358918, 492892, 717836, 862561, 985784, 1435672, 1725122, 3450244, 3819913, 6900488, 7639826, 15279652, 26739391, 30559304, 53478782, 106957564, 213915128]

約数ペア:

[(1, 213915128), (2, 106957564), (4, 53478782), (7, 30559304), (8, 26739391), (14, 15279652), (28, 7639826), (31, 6900488), (56, 3819913), (62, 3450244), (124, 1725122), (149, 1435672), (217, 985784), (248, 862561), (298, 717836), (434, 492892), (596, 358918), (827, 258664), (868, 246446), (1043, 205096), (1192, 179459), (1654, 129332), (1736, 123223), (2086, 102548), (3308, 64666), (4172, 51274), (4619, 46312), (5789, 36952), (6616, 32333), (8344, 25637), (9238, 23156), (11578, 18476)]