78912018

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 175547736

約数和(自身を除く): 96635718

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 181, 318, 362, 457, 477, 543, 914, 954, 1086, 1371, 1629, 2742, 3258, 4113, 8226, 9593, 19186, 24221, 28779, 48442, 57558, 72663, 82717, 86337, 145326, 165434, 172674, 217989, 248151, 435978, 496302, 744453, 1488906, 4384001, 8768002, 13152003, 26304006, 39456009, 78912018]

約数ペア:

[(1, 78912018), (2, 39456009), (3, 26304006), (6, 13152003), (9, 8768002), (18, 4384001), (53, 1488906), (106, 744453), (159, 496302), (181, 435978), (318, 248151), (362, 217989), (457, 172674), (477, 165434), (543, 145326), (914, 86337), (954, 82717), (1086, 72663), (1371, 57558), (1629, 48442), (2742, 28779), (3258, 24221), (4113, 19186), (8226, 9593)]