1013990404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{4801}}^1$

素因数の和:5228

約数の個数: 48

約数和(自身を含む): 2140539520

約数和(自身を除く): 1126549116

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 397, 532, 794, 1588, 2779, 4801, 5558, 7543, 9602, 11116, 15086, 19204, 30172, 33607, 52801, 67214, 91219, 105602, 134428, 182438, 211204, 364876, 638533, 1277066, 1905997, 2554132, 3811994, 7623988, 13341979, 26683958, 36213943, 53367916, 72427886, 144855772, 253497601, 506995202, 1013990404]

約数ペア:

[(1, 1013990404), (2, 506995202), (4, 253497601), (7, 144855772), (14, 72427886), (19, 53367916), (28, 36213943), (38, 26683958), (76, 13341979), (133, 7623988), (266, 3811994), (397, 2554132), (532, 1905997), (794, 1277066), (1588, 638533), (2779, 364876), (4801, 211204), (5558, 182438), (7543, 134428), (9602, 105602), (11116, 91219), (15086, 67214), (19204, 52801), (30172, 33607)]