661271104

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21481}}^1$

素因数の和:21543

約数の個数: 56

約数和(自身を含む): 1451409848

約数和(自身を除く): 790138744

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 832, 962, 1184, 1924, 2368, 3848, 7696, 15392, 21481, 30784, 42962, 85924, 171848, 279253, 343696, 558506, 687392, 794797, 1117012, 1374784, 1589594, 2234024, 3179188, 4468048, 6358376, 8936096, 10332361, 12716752, 17872192, 20664722, 25433504, 41329444, 50867008, 82658888, 165317776, 330635552, 661271104]

約数ペア:

[(1, 661271104), (2, 330635552), (4, 165317776), (8, 82658888), (13, 50867008), (16, 41329444), (26, 25433504), (32, 20664722), (37, 17872192), (52, 12716752), (64, 10332361), (74, 8936096), (104, 6358376), (148, 4468048), (208, 3179188), (296, 2234024), (416, 1589594), (481, 1374784), (592, 1117012), (832, 794797), (962, 687392), (1184, 558506), (1924, 343696), (2368, 279253), (3848, 171848), (7696, 85924), (15392, 42962), (21481, 30784)]