61990384

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 122858208

約数和(自身を除く): 60867824

約数列:

[1, 2, 4, 8, 16, 71, 142, 197, 277, 284, 394, 554, 568, 788, 1108, 1136, 1576, 2216, 3152, 4432, 13987, 19667, 27974, 39334, 54569, 55948, 78668, 109138, 111896, 157336, 218276, 223792, 314672, 436552, 873104, 3874399, 7748798, 15497596, 30995192, 61990384]

約数ペア:

[(1, 61990384), (2, 30995192), (4, 15497596), (8, 7748798), (16, 3874399), (71, 873104), (142, 436552), (197, 314672), (277, 223792), (284, 218276), (394, 157336), (554, 111896), (568, 109138), (788, 78668), (1108, 55948), (1136, 54569), (1576, 39334), (2216, 27974), (3152, 19667), (4432, 13987)]