1990717808

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{34667}}^1$

素因数の和:34809

約数の個数: 40

約数和(自身を含む): 4002212592

約数和(自身を除く): 2011494784

約数列:

[1, 2, 4, 8, 16, 37, 74, 97, 148, 194, 296, 388, 592, 776, 1552, 3589, 7178, 14356, 28712, 34667, 57424, 69334, 138668, 277336, 554672, 1282679, 2565358, 3362699, 5130716, 6725398, 10261432, 13450796, 20522864, 26901592, 53803184, 124419863, 248839726, 497679452, 995358904, 1990717808]

約数ペア:

[(1, 1990717808), (2, 995358904), (4, 497679452), (8, 248839726), (16, 124419863), (37, 53803184), (74, 26901592), (97, 20522864), (148, 13450796), (194, 10261432), (296, 6725398), (388, 5130716), (592, 3362699), (776, 2565358), (1552, 1282679), (3589, 554672), (7178, 277336), (14356, 138668), (28712, 69334), (34667, 57424)]