13640528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 31497984

約数和(自身を除く): 17857456

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 47, 68, 88, 94, 97, 136, 176, 187, 188, 194, 272, 374, 376, 388, 517, 748, 752, 776, 799, 1034, 1067, 1496, 1552, 1598, 1649, 2068, 2134, 2992, 3196, 3298, 4136, 4268, 4559, 6392, 6596, 8272, 8536, 8789, 9118, 12784, 13192, 17072, 17578, 18139, 18236, 26384, 35156, 36278, 36472, 50149, 70312, 72556, 72944, 77503, 100298, 140624, 145112, 155006, 200596, 290224, 310012, 401192, 620024, 802384, 852533, 1240048, 1705066, 3410132, 6820264, 13640528]

約数ペア:

[(1, 13640528), (2, 6820264), (4, 3410132), (8, 1705066), (11, 1240048), (16, 852533), (17, 802384), (22, 620024), (34, 401192), (44, 310012), (47, 290224), (68, 200596), (88, 155006), (94, 145112), (97, 140624), (136, 100298), (176, 77503), (187, 72944), (188, 72556), (194, 70312), (272, 50149), (374, 36472), (376, 36278), (388, 35156), (517, 26384), (748, 18236), (752, 18139), (776, 17578), (799, 17072), (1034, 13192), (1067, 12784), (1496, 9118), (1552, 8789), (1598, 8536), (1649, 8272), (2068, 6596), (2134, 6392), (2992, 4559), (3196, 4268), (3298, 4136)]