640124892

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{8123}}^1$

素因数の和:8343

約数の個数: 72

約数和(自身を含む): 1774281600

約数和(自身を除く): 1134156708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 199, 396, 398, 597, 796, 1194, 1791, 2189, 2388, 3582, 4378, 6567, 7164, 8123, 8756, 13134, 16246, 19701, 24369, 26268, 32492, 39402, 48738, 73107, 78804, 89353, 97476, 146214, 178706, 268059, 292428, 357412, 536118, 804177, 1072236, 1608354, 1616477, 3216708, 3232954, 4849431, 6465908, 9698862, 14548293, 17781247, 19397724, 29096586, 35562494, 53343741, 58193172, 71124988, 106687482, 160031223, 213374964, 320062446, 640124892]

約数ペア:

[(1, 640124892), (2, 320062446), (3, 213374964), (4, 160031223), (6, 106687482), (9, 71124988), (11, 58193172), (12, 53343741), (18, 35562494), (22, 29096586), (33, 19397724), (36, 17781247), (44, 14548293), (66, 9698862), (99, 6465908), (132, 4849431), (198, 3232954), (199, 3216708), (396, 1616477), (398, 1608354), (597, 1072236), (796, 804177), (1194, 536118), (1791, 357412), (2189, 292428), (2388, 268059), (3582, 178706), (4378, 146214), (6567, 97476), (7164, 89353), (8123, 78804), (8756, 73107), (13134, 48738), (16246, 39402), (19701, 32492), (24369, 26268)]