31271796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 84084000

約数和(自身を除く): 52812204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 131, 171, 228, 262, 342, 349, 393, 524, 684, 698, 786, 1047, 1179, 1396, 1572, 2094, 2358, 2489, 3141, 4188, 4716, 4978, 6282, 6631, 7467, 9956, 12564, 13262, 14934, 19893, 22401, 26524, 29868, 39786, 44802, 45719, 59679, 79572, 89604, 91438, 119358, 137157, 182876, 238716, 274314, 411471, 548628, 822942, 868661, 1645884, 1737322, 2605983, 3474644, 5211966, 7817949, 10423932, 15635898, 31271796]

約数ペア:

[(1, 31271796), (2, 15635898), (3, 10423932), (4, 7817949), (6, 5211966), (9, 3474644), (12, 2605983), (18, 1737322), (19, 1645884), (36, 868661), (38, 822942), (57, 548628), (76, 411471), (114, 274314), (131, 238716), (171, 182876), (228, 137157), (262, 119358), (342, 91438), (349, 89604), (393, 79572), (524, 59679), (684, 45719), (698, 44802), (786, 39786), (1047, 29868), (1179, 26524), (1396, 22401), (1572, 19893), (2094, 14934), (2358, 13262), (2489, 12564), (3141, 9956), (4188, 7467), (4716, 6631), (4978, 6282)]