398314864

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{397}}^1\times {\mathrm{859}}^1$

素因数の和:1337

約数の個数: 40

約数和(自身を含む): 785190320

約数和(自身を除く): 386875456

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 397, 584, 794, 859, 1168, 1588, 1718, 3176, 3436, 6352, 6872, 13744, 28981, 57962, 62707, 115924, 125414, 231848, 250828, 341023, 463696, 501656, 682046, 1003312, 1364092, 2728184, 5456368, 24894679, 49789358, 99578716, 199157432, 398314864]

約数ペア:

[(1, 398314864), (2, 199157432), (4, 99578716), (8, 49789358), (16, 24894679), (73, 5456368), (146, 2728184), (292, 1364092), (397, 1003312), (584, 682046), (794, 501656), (859, 463696), (1168, 341023), (1588, 250828), (1718, 231848), (3176, 125414), (3436, 115924), (6352, 62707), (6872, 57962), (13744, 28981)]