639002574

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1690483}}^1$

素因数の和:1690501

約数の個数: 32

約数和(自身を含む): 1622864640

約数和(自身を除く): 983862066

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1690483, 3380966, 5071449, 10142898, 11833381, 15214347, 23666762, 30428694, 35500143, 45643041, 71000286, 91286082, 106500429, 213000858, 319501287, 639002574]

約数ペア:

[(1, 639002574), (2, 319501287), (3, 213000858), (6, 106500429), (7, 91286082), (9, 71000286), (14, 45643041), (18, 35500143), (21, 30428694), (27, 23666762), (42, 15214347), (54, 11833381), (63, 10142898), (126, 5071449), (189, 3380966), (378, 1690483)]