1388922016

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{32561}}^1$

素因数の和:32645

約数の個数: 48

約数和(自身を含む): 2888379648

約数和(自身を除く): 1499457632

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 86, 124, 172, 248, 344, 496, 688, 992, 1333, 1376, 2666, 5332, 10664, 21328, 32561, 42656, 65122, 130244, 260488, 520976, 1009391, 1041952, 1400123, 2018782, 2800246, 4037564, 5600492, 8075128, 11200984, 16150256, 22401968, 32300512, 43403813, 44803936, 86807626, 173615252, 347230504, 694461008, 1388922016]

約数ペア:

[(1, 1388922016), (2, 694461008), (4, 347230504), (8, 173615252), (16, 86807626), (31, 44803936), (32, 43403813), (43, 32300512), (62, 22401968), (86, 16150256), (124, 11200984), (172, 8075128), (248, 5600492), (344, 4037564), (496, 2800246), (688, 2018782), (992, 1400123), (1333, 1041952), (1376, 1009391), (2666, 520976), (5332, 260488), (10664, 130244), (21328, 65122), (32561, 42656)]