489694816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{28711}}^1$

素因数の和:28775

約数の個数: 48

約数和(自身を含む): 1063607328

約数和(自身を除く): 573912512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1312, 2132, 4264, 8528, 17056, 28711, 57422, 114844, 229688, 373243, 459376, 746486, 918752, 1177151, 1492972, 2354302, 2985944, 4708604, 5971888, 9417208, 11943776, 15302963, 18834416, 30605926, 37668832, 61211852, 122423704, 244847408, 489694816]

約数ペア:

[(1, 489694816), (2, 244847408), (4, 122423704), (8, 61211852), (13, 37668832), (16, 30605926), (26, 18834416), (32, 15302963), (41, 11943776), (52, 9417208), (82, 5971888), (104, 4708604), (164, 2985944), (208, 2354302), (328, 1492972), (416, 1177151), (533, 918752), (656, 746486), (1066, 459376), (1312, 373243), (2132, 229688), (4264, 114844), (8528, 57422), (17056, 28711)]