28070944384

素因数分解:

$2^7\times 7^3\times {\mathrm{639371}}^1$

素因数の和:639406

約数の個数: 64

約数和(自身を含む): 65215944000

約数和(自身を除く): 37144999616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 2744, 3136, 5488, 6272, 10976, 21952, 43904, 639371, 1278742, 2557484, 4475597, 5114968, 8951194, 10229936, 17902388, 20459872, 31329179, 35804776, 40919744, 62658358, 71609552, 81839488, 125316716, 143219104, 219304253, 250633432, 286438208, 438608506, 501266864, 572876416, 877217012, 1002533728, 1754434024, 2005067456, 3508868048, 4010134912, 7017736096, 14035472192, 28070944384]

約数ペア:

[(1, 28070944384), (2, 14035472192), (4, 7017736096), (7, 4010134912), (8, 3508868048), (14, 2005067456), (16, 1754434024), (28, 1002533728), (32, 877217012), (49, 572876416), (56, 501266864), (64, 438608506), (98, 286438208), (112, 250633432), (128, 219304253), (196, 143219104), (224, 125316716), (343, 81839488), (392, 71609552), (448, 62658358), (686, 40919744), (784, 35804776), (896, 31329179), (1372, 20459872), (1568, 17902388), (2744, 10229936), (3136, 8951194), (5488, 5114968), (6272, 4475597), (10976, 2557484), (21952, 1278742), (43904, 639371)]