8917956

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 23831808

約数和(自身を除く): 14913852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 131, 183, 186, 244, 262, 279, 366, 372, 393, 524, 549, 558, 732, 786, 1098, 1116, 1179, 1572, 1891, 2196, 2358, 3782, 4061, 4716, 5673, 7564, 7991, 8122, 11346, 12183, 15982, 16244, 17019, 22692, 23973, 24366, 31964, 34038, 36549, 47946, 48732, 68076, 71919, 73098, 95892, 143838, 146196, 247721, 287676, 495442, 743163, 990884, 1486326, 2229489, 2972652, 4458978, 8917956]

約数ペア:

[(1, 8917956), (2, 4458978), (3, 2972652), (4, 2229489), (6, 1486326), (9, 990884), (12, 743163), (18, 495442), (31, 287676), (36, 247721), (61, 146196), (62, 143838), (93, 95892), (122, 73098), (124, 71919), (131, 68076), (183, 48732), (186, 47946), (244, 36549), (262, 34038), (279, 31964), (366, 24366), (372, 23973), (393, 22692), (524, 17019), (549, 16244), (558, 15982), (732, 12183), (786, 11346), (1098, 8122), (1116, 7991), (1179, 7564), (1572, 5673), (1891, 4716), (2196, 4061), (2358, 3782)]