216645984

素因数分解:

$2^5\times 3^2\times {\mathrm{353}}^1\times {\mathrm{2131}}^1$

素因数の和:2500

約数の個数: 72

約数和(自身を含む): 618122232

約数和(自身を除く): 401476248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 353, 706, 1059, 1412, 2118, 2131, 2824, 3177, 4236, 4262, 5648, 6354, 6393, 8472, 8524, 11296, 12708, 12786, 16944, 17048, 19179, 25416, 25572, 33888, 34096, 38358, 50832, 51144, 68192, 76716, 101664, 102288, 153432, 204576, 306864, 613728, 752243, 1504486, 2256729, 3008972, 4513458, 6017944, 6770187, 9026916, 12035888, 13540374, 18053832, 24071776, 27080748, 36107664, 54161496, 72215328, 108322992, 216645984]

約数ペア:

[(1, 216645984), (2, 108322992), (3, 72215328), (4, 54161496), (6, 36107664), (8, 27080748), (9, 24071776), (12, 18053832), (16, 13540374), (18, 12035888), (24, 9026916), (32, 6770187), (36, 6017944), (48, 4513458), (72, 3008972), (96, 2256729), (144, 1504486), (288, 752243), (353, 613728), (706, 306864), (1059, 204576), (1412, 153432), (2118, 102288), (2131, 101664), (2824, 76716), (3177, 68192), (4236, 51144), (4262, 50832), (5648, 38358), (6354, 34096), (6393, 33888), (8472, 25572), (8524, 25416), (11296, 19179), (12708, 17048), (12786, 16944)]