28006308

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 77837760

約数和(自身を除く): 49831452

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 359, 394, 396, 591, 718, 788, 1077, 1182, 1436, 1773, 2154, 2167, 2364, 3231, 3546, 3949, 4308, 4334, 6462, 6501, 7092, 7898, 8668, 11847, 12924, 13002, 15796, 19503, 23694, 26004, 35541, 39006, 47388, 70723, 71082, 78012, 141446, 142164, 212169, 282892, 424338, 636507, 777953, 848676, 1273014, 1555906, 2333859, 2546028, 3111812, 4667718, 7001577, 9335436, 14003154, 28006308]

約数ペア:

[(1, 28006308), (2, 14003154), (3, 9335436), (4, 7001577), (6, 4667718), (9, 3111812), (11, 2546028), (12, 2333859), (18, 1555906), (22, 1273014), (33, 848676), (36, 777953), (44, 636507), (66, 424338), (99, 282892), (132, 212169), (197, 142164), (198, 141446), (359, 78012), (394, 71082), (396, 70723), (591, 47388), (718, 39006), (788, 35541), (1077, 26004), (1182, 23694), (1436, 19503), (1773, 15796), (2154, 13002), (2167, 12924), (2364, 11847), (3231, 8668), (3546, 7898), (3949, 7092), (4308, 6501), (4334, 6462)]