1861497025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 2500714944

約数和(自身を除く): 639217919

約数列:

[1, 5, 17, 25, 83, 85, 113, 415, 425, 467, 565, 1411, 1921, 2075, 2335, 2825, 7055, 7939, 9379, 9605, 11675, 35275, 38761, 39695, 46895, 48025, 52771, 159443, 193805, 198475, 234475, 263855, 658937, 797215, 897107, 969025, 1319275, 3294685, 3986075, 4379993, 4485535, 16473425, 21899965, 22427675, 74459881, 109499825, 372299405, 1861497025]

約数ペア:

[(1, 1861497025), (5, 372299405), (17, 109499825), (25, 74459881), (83, 22427675), (85, 21899965), (113, 16473425), (415, 4485535), (425, 4379993), (467, 3986075), (565, 3294685), (1411, 1319275), (1921, 969025), (2075, 897107), (2335, 797215), (2825, 658937), (7055, 263855), (7939, 234475), (9379, 198475), (9605, 193805), (11675, 159443), (35275, 52771), (38761, 48025), (39695, 46895)]