721297908

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{3911}}^1$

素因数の和:4077

約数の個数: 72

約数和(自身を含む): 1879637760

約数和(自身を除く): 1158339852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 109, 141, 188, 218, 282, 327, 423, 436, 564, 654, 846, 981, 1308, 1692, 1962, 3911, 3924, 5123, 7822, 10246, 11733, 15369, 15644, 20492, 23466, 30738, 35199, 46107, 46932, 61476, 70398, 92214, 140796, 183817, 184428, 367634, 426299, 551451, 735268, 852598, 1102902, 1278897, 1654353, 1705196, 2205804, 2557794, 3308706, 3836691, 5115588, 6617412, 7673382, 15346764, 20036053, 40072106, 60108159, 80144212, 120216318, 180324477, 240432636, 360648954, 721297908]

約数ペア:

[(1, 721297908), (2, 360648954), (3, 240432636), (4, 180324477), (6, 120216318), (9, 80144212), (12, 60108159), (18, 40072106), (36, 20036053), (47, 15346764), (94, 7673382), (109, 6617412), (141, 5115588), (188, 3836691), (218, 3308706), (282, 2557794), (327, 2205804), (423, 1705196), (436, 1654353), (564, 1278897), (654, 1102902), (846, 852598), (981, 735268), (1308, 551451), (1692, 426299), (1962, 367634), (3911, 184428), (3924, 183817), (5123, 140796), (7822, 92214), (10246, 70398), (11733, 61476), (15369, 46932), (15644, 46107), (20492, 35199), (23466, 30738)]