215660256

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{320923}}^1$

素因数の和:320943

約数の個数: 48

約数和(自身を含む): 646982784

約数和(自身を除く): 431322528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 320923, 641846, 962769, 1283692, 1925538, 2246461, 2567384, 3851076, 4492922, 5134768, 6739383, 7702152, 8985844, 10269536, 13478766, 15404304, 17971688, 26957532, 30808608, 35943376, 53915064, 71886752, 107830128, 215660256]

約数ペア:

[(1, 215660256), (2, 107830128), (3, 71886752), (4, 53915064), (6, 35943376), (7, 30808608), (8, 26957532), (12, 17971688), (14, 15404304), (16, 13478766), (21, 10269536), (24, 8985844), (28, 7702152), (32, 6739383), (42, 5134768), (48, 4492922), (56, 3851076), (84, 2567384), (96, 2246461), (112, 1925538), (168, 1283692), (224, 962769), (336, 641846), (672, 320923)]