645984

素因数分解:

$2^5\times 3^2\times {\mathrm{2243}}^1$

素因数の和:2259

約数の個数: 36

約数和(自身を含む): 1837836

約数和(自身を除く): 1191852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 2243, 4486, 6729, 8972, 13458, 17944, 20187, 26916, 35888, 40374, 53832, 71776, 80748, 107664, 161496, 215328, 322992, 645984]

約数ペア:

[(1, 645984), (2, 322992), (3, 215328), (4, 161496), (6, 107664), (8, 80748), (9, 71776), (12, 53832), (16, 40374), (18, 35888), (24, 26916), (32, 20187), (36, 17944), (48, 13458), (72, 8972), (96, 6729), (144, 4486), (288, 2243)]