1213455872

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{55117}}^1$

素因数の和:55178

約数の個数: 40

約数和(自身を含む): 2480971416

約数和(自身を除く): 1267515544

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 5504, 11008, 22016, 55117, 110234, 220468, 440936, 881872, 1763744, 2370031, 3527488, 4740062, 7054976, 9480124, 14109952, 18960248, 28219904, 37920496, 75840992, 151681984, 303363968, 606727936, 1213455872]

約数ペア:

[(1, 1213455872), (2, 606727936), (4, 303363968), (8, 151681984), (16, 75840992), (32, 37920496), (43, 28219904), (64, 18960248), (86, 14109952), (128, 9480124), (172, 7054976), (256, 4740062), (344, 3527488), (512, 2370031), (688, 1763744), (1376, 881872), (2752, 440936), (5504, 220468), (11008, 110234), (22016, 55117)]