7872172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 17498880

約数和(自身を除く): 9626708

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 419, 427, 671, 838, 854, 1342, 1676, 1708, 2684, 2933, 4609, 4697, 5866, 9218, 9394, 11732, 18436, 18788, 25559, 32263, 51118, 64526, 102236, 129052, 178913, 281149, 357826, 562298, 715652, 1124596, 1968043, 3936086, 7872172]

約数ペア:

[(1, 7872172), (2, 3936086), (4, 1968043), (7, 1124596), (11, 715652), (14, 562298), (22, 357826), (28, 281149), (44, 178913), (61, 129052), (77, 102236), (122, 64526), (154, 51118), (244, 32263), (308, 25559), (419, 18788), (427, 18436), (671, 11732), (838, 9394), (854, 9218), (1342, 5866), (1676, 4697), (1708, 4609), (2684, 2933)]