51749425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 84480704

約数和(自身を除く): 32731279

約数列:

[1, 5, 7, 13, 23, 25, 35, 43, 65, 91, 115, 161, 175, 215, 299, 301, 325, 455, 529, 559, 575, 805, 989, 1075, 1495, 1505, 2093, 2275, 2645, 2795, 3703, 3913, 4025, 4945, 6877, 6923, 7475, 7525, 10465, 12857, 13225, 13975, 18515, 19565, 22747, 24725, 34385, 34615, 48139, 52325, 64285, 89999, 92575, 97825, 113735, 159229, 171925, 173075, 240695, 295711, 321425, 449995, 568675, 796145, 1203475, 1478555, 2069977, 2249975, 3980725, 7392775, 10349885, 51749425]

約数ペア:

[(1, 51749425), (5, 10349885), (7, 7392775), (13, 3980725), (23, 2249975), (25, 2069977), (35, 1478555), (43, 1203475), (65, 796145), (91, 568675), (115, 449995), (161, 321425), (175, 295711), (215, 240695), (299, 173075), (301, 171925), (325, 159229), (455, 113735), (529, 97825), (559, 92575), (575, 89999), (805, 64285), (989, 52325), (1075, 48139), (1495, 34615), (1505, 34385), (2093, 24725), (2275, 22747), (2645, 19565), (2795, 18515), (3703, 13975), (3913, 13225), (4025, 12857), (4945, 10465), (6877, 7525), (6923, 7475)]