211981432

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 476707680

約数和(自身を除く): 264726248

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 169, 184, 221, 299, 338, 391, 401, 442, 598, 676, 782, 802, 884, 1196, 1352, 1564, 1604, 1768, 2392, 2873, 3128, 3208, 3887, 5083, 5213, 5746, 6817, 7774, 9223, 10166, 10426, 11492, 13634, 15548, 18446, 20332, 20852, 22984, 27268, 31096, 36892, 40664, 41704, 54536, 66079, 67769, 73784, 88621, 119899, 132158, 135538, 156791, 177242, 239798, 264316, 271076, 313582, 354484, 479596, 528632, 542152, 627164, 708968, 959192, 1152073, 1254328, 1558687, 2038283, 2304146, 3117374, 4076566, 4608292, 6234748, 8153132, 9216584, 12469496, 16306264, 26497679, 52995358, 105990716, 211981432]

約数ペア:

[(1, 211981432), (2, 105990716), (4, 52995358), (8, 26497679), (13, 16306264), (17, 12469496), (23, 9216584), (26, 8153132), (34, 6234748), (46, 4608292), (52, 4076566), (68, 3117374), (92, 2304146), (104, 2038283), (136, 1558687), (169, 1254328), (184, 1152073), (221, 959192), (299, 708968), (338, 627164), (391, 542152), (401, 528632), (442, 479596), (598, 354484), (676, 313582), (782, 271076), (802, 264316), (884, 239798), (1196, 177242), (1352, 156791), (1564, 135538), (1604, 132158), (1768, 119899), (2392, 88621), (2873, 73784), (3128, 67769), (3208, 66079), (3887, 54536), (5083, 41704), (5213, 40664), (5746, 36892), (6817, 31096), (7774, 27268), (9223, 22984), (10166, 20852), (10426, 20332), (11492, 18446), (13634, 15548)]