263231852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1697}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 525836640

約数和(自身を除く): 262604788

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 157, 247, 314, 494, 628, 988, 1697, 2041, 2983, 3394, 4082, 5966, 6788, 8164, 11932, 22061, 32243, 38779, 44122, 64486, 77558, 88244, 128972, 155116, 266429, 419159, 532858, 838318, 1065716, 1676636, 3463577, 5062151, 6927154, 10124302, 13854308, 20248604, 65807963, 131615926, 263231852]

約数ペア:

[(1, 263231852), (2, 131615926), (4, 65807963), (13, 20248604), (19, 13854308), (26, 10124302), (38, 6927154), (52, 5062151), (76, 3463577), (157, 1676636), (247, 1065716), (314, 838318), (494, 532858), (628, 419159), (988, 266429), (1697, 155116), (2041, 128972), (2983, 88244), (3394, 77558), (4082, 64486), (5966, 44122), (6788, 38779), (8164, 32243), (11932, 22061)]