2256778251

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4423}}^1$

素因数の和:4545

約数の個数: 72

約数和(自身を含む): 4130511840

約数和(自身を除く): 1873733589

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 89, 91, 117, 147, 267, 273, 441, 623, 637, 801, 819, 1157, 1869, 1911, 3471, 4361, 4423, 5607, 5733, 8099, 10413, 13083, 13269, 24297, 30961, 39249, 39807, 56693, 57499, 72891, 92883, 170079, 172497, 216727, 278649, 393647, 402493, 510237, 517491, 650181, 1180941, 1207479, 1950543, 2755529, 2817451, 3542823, 3622437, 5117411, 8266587, 8452353, 15352233, 19288703, 24799761, 25357059, 35821877, 46056699, 57866109, 107465631, 173598327, 250753139, 322396893, 752259417, 2256778251]

約数ペア:

[(1, 2256778251), (3, 752259417), (7, 322396893), (9, 250753139), (13, 173598327), (21, 107465631), (39, 57866109), (49, 46056699), (63, 35821877), (89, 25357059), (91, 24799761), (117, 19288703), (147, 15352233), (267, 8452353), (273, 8266587), (441, 5117411), (623, 3622437), (637, 3542823), (801, 2817451), (819, 2755529), (1157, 1950543), (1869, 1207479), (1911, 1180941), (3471, 650181), (4361, 517491), (4423, 510237), (5607, 402493), (5733, 393647), (8099, 278649), (10413, 216727), (13083, 172497), (13269, 170079), (24297, 92883), (30961, 72891), (39249, 57499), (39807, 56693)]