647244

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 1811040

約数和(自身を除く): 1163796

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 461, 468, 702, 922, 1383, 1404, 1844, 2766, 4149, 5532, 5993, 8298, 11986, 12447, 16596, 17979, 23972, 24894, 35958, 49788, 53937, 71916, 107874, 161811, 215748, 323622, 647244]

約数ペア:

[(1, 647244), (2, 323622), (3, 215748), (4, 161811), (6, 107874), (9, 71916), (12, 53937), (13, 49788), (18, 35958), (26, 24894), (27, 23972), (36, 17979), (39, 16596), (52, 12447), (54, 11986), (78, 8298), (108, 5993), (117, 5532), (156, 4149), (234, 2766), (351, 1844), (461, 1404), (468, 1383), (702, 922)]