81276161408

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{14969}}^1$

素因数の和:15260

約数の個数: 96

約数和(自身を含む): 176040912600

約数和(自身を除く): 94764751192

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 251, 338, 416, 502, 676, 832, 1004, 1352, 1664, 2008, 2704, 3263, 4016, 5408, 6526, 8032, 10816, 13052, 14969, 16064, 21632, 26104, 29938, 32128, 42419, 52208, 59876, 84838, 104416, 119752, 169676, 194597, 208832, 239504, 339352, 389194, 417664, 479008, 678704, 778388, 958016, 1357408, 1556776, 1916032, 2529761, 2714816, 3113552, 3757219, 5059522, 5429632, 6227104, 7514438, 10119044, 12454208, 15028876, 20238088, 24908416, 30057752, 40476176, 48843847, 60115504, 80952352, 97687694, 120231008, 161904704, 195375388, 240462016, 323809408, 390750776, 480924032, 634970011, 781501552, 1269940022, 1563003104, 2539880044, 3126006208, 5079760088, 6252012416, 10159520176, 20319040352, 40638080704, 81276161408]

約数ペア:

[(1, 81276161408), (2, 40638080704), (4, 20319040352), (8, 10159520176), (13, 6252012416), (16, 5079760088), (26, 3126006208), (32, 2539880044), (52, 1563003104), (64, 1269940022), (104, 781501552), (128, 634970011), (169, 480924032), (208, 390750776), (251, 323809408), (338, 240462016), (416, 195375388), (502, 161904704), (676, 120231008), (832, 97687694), (1004, 80952352), (1352, 60115504), (1664, 48843847), (2008, 40476176), (2704, 30057752), (3263, 24908416), (4016, 20238088), (5408, 15028876), (6526, 12454208), (8032, 10119044), (10816, 7514438), (13052, 6227104), (14969, 5429632), (16064, 5059522), (21632, 3757219), (26104, 3113552), (29938, 2714816), (32128, 2529761), (42419, 1916032), (52208, 1556776), (59876, 1357408), (84838, 958016), (104416, 778388), (119752, 678704), (169676, 479008), (194597, 417664), (208832, 389194), (239504, 339352)]