221545856

素因数分解:

$2^7\times 7^2\times {\mathrm{35323}}^1$

素因数の和:35351

約数の個数: 48

約数和(自身を含む): 513434340

約数和(自身を除く): 291888484

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 35323, 70646, 141292, 247261, 282584, 494522, 565168, 989044, 1130336, 1730827, 1978088, 2260672, 3461654, 3956176, 4521344, 6923308, 7912352, 13846616, 15824704, 27693232, 31649408, 55386464, 110772928, 221545856]

約数ペア:

[(1, 221545856), (2, 110772928), (4, 55386464), (7, 31649408), (8, 27693232), (14, 15824704), (16, 13846616), (28, 7912352), (32, 6923308), (49, 4521344), (56, 3956176), (64, 3461654), (98, 2260672), (112, 1978088), (128, 1730827), (196, 1130336), (224, 989044), (392, 565168), (448, 494522), (784, 282584), (896, 247261), (1568, 141292), (3136, 70646), (6272, 35323)]