81792568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 114162632

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 53, 71, 76, 88, 104, 106, 142, 143, 152, 209, 212, 247, 284, 286, 418, 424, 494, 568, 572, 583, 689, 781, 836, 923, 988, 1007, 1144, 1166, 1349, 1378, 1562, 1672, 1846, 1976, 2014, 2332, 2698, 2717, 2756, 3124, 3692, 3763, 4028, 4664, 5396, 5434, 5512, 6248, 7384, 7526, 7579, 8056, 10153, 10792, 10868, 11077, 13091, 14839, 15052, 15158, 17537, 20306, 21736, 22154, 26182, 29678, 30104, 30316, 35074, 40612, 41393, 44308, 48919, 52364, 59356, 60632, 70148, 71497, 81224, 82786, 88616, 97838, 104728, 118712, 140296, 142994, 144001, 165572, 192907, 195676, 285988, 288002, 331144, 385814, 391352, 538109, 571976, 576004, 771628, 786467, 929461, 1076218, 1152008, 1543256, 1572934, 1858922, 2152436, 3145868, 3717844, 4304872, 6291736, 7435688, 10224071, 20448142, 40896284, 81792568]

約数ペア:

[(1, 81792568), (2, 40896284), (4, 20448142), (8, 10224071), (11, 7435688), (13, 6291736), (19, 4304872), (22, 3717844), (26, 3145868), (38, 2152436), (44, 1858922), (52, 1572934), (53, 1543256), (71, 1152008), (76, 1076218), (88, 929461), (104, 786467), (106, 771628), (142, 576004), (143, 571976), (152, 538109), (209, 391352), (212, 385814), (247, 331144), (284, 288002), (286, 285988), (418, 195676), (424, 192907), (494, 165572), (568, 144001), (572, 142994), (583, 140296), (689, 118712), (781, 104728), (836, 97838), (923, 88616), (988, 82786), (1007, 81224), (1144, 71497), (1166, 70148), (1349, 60632), (1378, 59356), (1562, 52364), (1672, 48919), (1846, 44308), (1976, 41393), (2014, 40612), (2332, 35074), (2698, 30316), (2717, 30104), (2756, 29678), (3124, 26182), (3692, 22154), (3763, 21736), (4028, 20306), (4664, 17537), (5396, 15158), (5434, 15052), (5512, 14839), (6248, 13091), (7384, 11077), (7526, 10868), (7579, 10792), (8056, 10153)]