133481660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16561}}^1$

素因数の和:16614

約数の個数: 48

約数和(自身を含む): 311630592

約数和(自身を除く): 178148932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 16561, 33122, 66244, 82805, 165610, 215293, 331220, 430586, 513391, 861172, 1026782, 1076465, 2053564, 2152930, 2566955, 4305860, 5133910, 6674083, 10267820, 13348166, 26696332, 33370415, 66740830, 133481660]

約数ペア:

[(1, 133481660), (2, 66740830), (4, 33370415), (5, 26696332), (10, 13348166), (13, 10267820), (20, 6674083), (26, 5133910), (31, 4305860), (52, 2566955), (62, 2152930), (65, 2053564), (124, 1076465), (130, 1026782), (155, 861172), (260, 513391), (310, 430586), (403, 331220), (620, 215293), (806, 165610), (1612, 82805), (2015, 66244), (4030, 33122), (8060, 16561)]