263515428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1627}}^1$

素因数の和:2057

約数の個数: 72

約数和(自身を含む): 728888160

約数和(自身を除く): 465372732

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 409, 818, 1227, 1627, 1636, 2454, 3254, 3681, 4499, 4881, 4908, 6508, 7362, 8998, 9762, 13497, 14643, 14724, 17897, 17996, 19524, 26994, 29286, 35794, 40491, 53691, 53988, 58572, 71588, 80982, 107382, 161073, 161964, 214764, 322146, 644292, 665443, 1330886, 1996329, 2661772, 3992658, 5988987, 7319873, 7985316, 11977974, 14639746, 21959619, 23955948, 29279492, 43919238, 65878857, 87838476, 131757714, 263515428]

約数ペア:

[(1, 263515428), (2, 131757714), (3, 87838476), (4, 65878857), (6, 43919238), (9, 29279492), (11, 23955948), (12, 21959619), (18, 14639746), (22, 11977974), (33, 7985316), (36, 7319873), (44, 5988987), (66, 3992658), (99, 2661772), (132, 1996329), (198, 1330886), (396, 665443), (409, 644292), (818, 322146), (1227, 214764), (1627, 161964), (1636, 161073), (2454, 107382), (3254, 80982), (3681, 71588), (4499, 58572), (4881, 53988), (4908, 53691), (6508, 40491), (7362, 35794), (8998, 29286), (9762, 26994), (13497, 19524), (14643, 17996), (14724, 17897)]