25541516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6379}}^1$

素因数の和:6414

約数の個数: 48

約数和(自身を含む): 60023040

約数和(自身を除く): 34481524

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 6379, 12758, 25516, 44653, 70169, 82927, 89306, 140338, 165854, 178612, 280676, 331708, 491183, 580489, 912197, 982366, 1160978, 1824394, 1964732, 2321956, 3648788, 6385379, 12770758, 25541516]

約数ペア:

[(1, 25541516), (2, 12770758), (4, 6385379), (7, 3648788), (11, 2321956), (13, 1964732), (14, 1824394), (22, 1160978), (26, 982366), (28, 912197), (44, 580489), (52, 491183), (77, 331708), (91, 280676), (143, 178612), (154, 165854), (182, 140338), (286, 89306), (308, 82927), (364, 70169), (572, 44653), (1001, 25516), (2002, 12758), (4004, 6379)]