640522476

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{2477}}^1$

素因数の和:3151

約数の個数: 72

約数和(自身を含む): 1769708304

約数和(自身を除く): 1129185828

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 653, 1306, 1959, 2477, 2612, 3918, 4954, 5877, 7183, 7431, 7836, 9908, 11754, 14366, 14862, 21549, 22293, 23508, 27247, 28732, 29724, 43098, 44586, 54494, 64647, 81741, 86196, 89172, 108988, 129294, 163482, 245223, 258588, 326964, 490446, 980892, 1617481, 3234962, 4852443, 6469924, 9704886, 14557329, 17792291, 19409772, 29114658, 35584582, 53376873, 58229316, 71169164, 106753746, 160130619, 213507492, 320261238, 640522476]

約数ペア:

[(1, 640522476), (2, 320261238), (3, 213507492), (4, 160130619), (6, 106753746), (9, 71169164), (11, 58229316), (12, 53376873), (18, 35584582), (22, 29114658), (33, 19409772), (36, 17792291), (44, 14557329), (66, 9704886), (99, 6469924), (132, 4852443), (198, 3234962), (396, 1617481), (653, 980892), (1306, 490446), (1959, 326964), (2477, 258588), (2612, 245223), (3918, 163482), (4954, 129294), (5877, 108988), (7183, 89172), (7431, 86196), (7836, 81741), (9908, 64647), (11754, 54494), (14366, 44586), (14862, 43098), (21549, 29724), (22293, 28732), (23508, 27247)]