1279462925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{631}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 1816883712

約数和(自身を除く): 537420787

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 367, 425, 631, 1105, 1835, 3155, 4771, 5525, 6239, 8203, 9175, 10727, 15775, 23855, 31195, 41015, 53635, 81107, 119275, 139451, 155975, 205075, 231577, 268175, 405535, 697255, 1157885, 2027675, 3010501, 3486275, 3936809, 5789425, 15052505, 19684045, 51178517, 75262525, 98420225, 255892585, 1279462925]

約数ペア:

[(1, 1279462925), (5, 255892585), (13, 98420225), (17, 75262525), (25, 51178517), (65, 19684045), (85, 15052505), (221, 5789425), (325, 3936809), (367, 3486275), (425, 3010501), (631, 2027675), (1105, 1157885), (1835, 697255), (3155, 405535), (4771, 268175), (5525, 231577), (6239, 205075), (8203, 155975), (9175, 139451), (10727, 119275), (15775, 81107), (23855, 53635), (31195, 41015)]