28389424

素因数分解:

$2^4\times 7^4\times {\mathrm{739}}^1$

素因数の和:775

約数の個数: 50

約数和(自身を含む): 64254940

約数和(自身を除く): 35865516

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 739, 784, 1372, 1478, 2401, 2744, 2956, 4802, 5173, 5488, 5912, 9604, 10346, 11824, 19208, 20692, 36211, 38416, 41384, 72422, 82768, 144844, 253477, 289688, 506954, 579376, 1013908, 1774339, 2027816, 3548678, 4055632, 7097356, 14194712, 28389424]

約数ペア:

[(1, 28389424), (2, 14194712), (4, 7097356), (7, 4055632), (8, 3548678), (14, 2027816), (16, 1774339), (28, 1013908), (49, 579376), (56, 506954), (98, 289688), (112, 253477), (196, 144844), (343, 82768), (392, 72422), (686, 41384), (739, 38416), (784, 36211), (1372, 20692), (1478, 19208), (2401, 11824), (2744, 10346), (2956, 9604), (4802, 5912), (5173, 5488)]