642678928

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{359}}^1\times {\mathrm{881}}^1$

素因数の和:1375

約数の個数: 40

約数和(自身を含む): 1259919360

約数和(自身を除く): 617240432

約数列:

[1, 2, 4, 8, 16, 127, 254, 359, 508, 718, 881, 1016, 1436, 1762, 2032, 2872, 3524, 5744, 7048, 14096, 45593, 91186, 111887, 182372, 223774, 316279, 364744, 447548, 632558, 729488, 895096, 1265116, 1790192, 2530232, 5060464, 40167433, 80334866, 160669732, 321339464, 642678928]

約数ペア:

[(1, 642678928), (2, 321339464), (4, 160669732), (8, 80334866), (16, 40167433), (127, 5060464), (254, 2530232), (359, 1790192), (508, 1265116), (718, 895096), (881, 729488), (1016, 632558), (1436, 447548), (1762, 364744), (2032, 316279), (2872, 223774), (3524, 182372), (5744, 111887), (7048, 91186), (14096, 45593)]