2009059975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{617}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 2761510752

約数和(自身を除く): 752450777

約数列:

[1, 5, 13, 25, 43, 65, 215, 233, 325, 559, 617, 1075, 1165, 2795, 3029, 3085, 5825, 8021, 10019, 13975, 15145, 15425, 26531, 40105, 50095, 75725, 130247, 132655, 143761, 200525, 250475, 344903, 651235, 663275, 718805, 1724515, 1868893, 3256175, 3594025, 6181723, 8622575, 9344465, 30908615, 46722325, 80362399, 154543075, 401811995, 2009059975]

約数ペア:

[(1, 2009059975), (5, 401811995), (13, 154543075), (25, 80362399), (43, 46722325), (65, 30908615), (215, 9344465), (233, 8622575), (325, 6181723), (559, 3594025), (617, 3256175), (1075, 1868893), (1165, 1724515), (2795, 718805), (3029, 663275), (3085, 651235), (5825, 344903), (8021, 250475), (10019, 200525), (13975, 143761), (15145, 132655), (15425, 130247), (26531, 75725), (40105, 50095)]