642785832

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{686737}}^1$

素因数の和:686762

約数の個数: 48

約数和(自身を含む): 1874794740

約数和(自身を除く): 1232008908

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 686737, 1373474, 2060211, 2746948, 4120422, 5493896, 6180633, 8240844, 8927581, 12361266, 16481688, 17855162, 24722532, 26782743, 35710324, 49445064, 53565486, 71420648, 80348229, 107130972, 160696458, 214261944, 321392916, 642785832]

約数ペア:

[(1, 642785832), (2, 321392916), (3, 214261944), (4, 160696458), (6, 107130972), (8, 80348229), (9, 71420648), (12, 53565486), (13, 49445064), (18, 35710324), (24, 26782743), (26, 24722532), (36, 17855162), (39, 16481688), (52, 12361266), (72, 8927581), (78, 8240844), (104, 6180633), (117, 5493896), (156, 4120422), (234, 2746948), (312, 2060211), (468, 1373474), (936, 686737)]