1991036551670

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{3371}}^1\times {\mathrm{18269}}^1$

素因数の和:21761

約数の個数: 64

約数和(自身を含む): 3712650500160

約数和(自身を除く): 1721613948490

約数列:

[1, 2, 5, 10, 53, 61, 106, 122, 265, 305, 530, 610, 3233, 3371, 6466, 6742, 16165, 16855, 18269, 32330, 33710, 36538, 91345, 178663, 182690, 205631, 357326, 411262, 893315, 968257, 1028155, 1114409, 1786630, 1936514, 2056310, 2228818, 4841285, 5572045, 9682570, 10898443, 11144090, 21796886, 54492215, 59063677, 61584799, 108984430, 118127354, 123169598, 295318385, 307923995, 590636770, 615847990, 3263994347, 3756672739, 6527988694, 7513345478, 16319971735, 18783363695, 32639943470, 37566727390, 199103655167, 398207310334, 995518275835, 1991036551670]

約数ペア:

[(1, 1991036551670), (2, 995518275835), (5, 398207310334), (10, 199103655167), (53, 37566727390), (61, 32639943470), (106, 18783363695), (122, 16319971735), (265, 7513345478), (305, 6527988694), (530, 3756672739), (610, 3263994347), (3233, 615847990), (3371, 590636770), (6466, 307923995), (6742, 295318385), (16165, 123169598), (16855, 118127354), (18269, 108984430), (32330, 61584799), (33710, 59063677), (36538, 54492215), (91345, 21796886), (178663, 11144090), (182690, 10898443), (205631, 9682570), (357326, 5572045), (411262, 4841285), (893315, 2228818), (968257, 2056310), (1028155, 1936514), (1114409, 1786630)]