378388612

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{221539}}^1$

素因数の和:221611

約数の個数: 24

約数和(自身を含む): 769186880

約数和(自身を除く): 390798268

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 221539, 443078, 886156, 1550773, 3101546, 6203092, 13513879, 27027758, 54055516, 94597153, 189194306, 378388612]

約数ペア:

[(1, 378388612), (2, 189194306), (4, 94597153), (7, 54055516), (14, 27027758), (28, 13513879), (61, 6203092), (122, 3101546), (244, 1550773), (427, 886156), (854, 443078), (1708, 221539)]