1248420784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{18133}}^1$

素因数の和:18485

約数の個数: 40

約数和(自身を含む): 2612891792

約数和(自身を除く): 1364471008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 662, 1324, 2648, 4303, 5296, 8606, 17212, 18133, 34424, 36266, 68848, 72532, 145064, 235729, 290128, 471458, 942916, 1885832, 3771664, 6002023, 12004046, 24008092, 48016184, 78026299, 96032368, 156052598, 312105196, 624210392, 1248420784]

約数ペア:

[(1, 1248420784), (2, 624210392), (4, 312105196), (8, 156052598), (13, 96032368), (16, 78026299), (26, 48016184), (52, 24008092), (104, 12004046), (208, 6002023), (331, 3771664), (662, 1885832), (1324, 942916), (2648, 471458), (4303, 290128), (5296, 235729), (8606, 145064), (17212, 72532), (18133, 68848), (34424, 36266)]