161758908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 428658048

約数和(自身を除く): 266899140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 347, 414, 563, 694, 828, 1041, 1126, 1388, 1689, 2082, 2252, 3123, 3378, 4164, 5067, 6246, 6756, 7981, 10134, 12492, 12949, 15962, 20268, 23943, 25898, 31924, 38847, 47886, 51796, 71829, 77694, 95772, 116541, 143658, 155388, 195361, 233082, 287316, 390722, 466164, 586083, 781444, 1172166, 1758249, 2344332, 3516498, 4493303, 7032996, 8986606, 13479909, 17973212, 26959818, 40439727, 53919636, 80879454, 161758908]

約数ペア:

[(1, 161758908), (2, 80879454), (3, 53919636), (4, 40439727), (6, 26959818), (9, 17973212), (12, 13479909), (18, 8986606), (23, 7032996), (36, 4493303), (46, 3516498), (69, 2344332), (92, 1758249), (138, 1172166), (207, 781444), (276, 586083), (347, 466164), (414, 390722), (563, 287316), (694, 233082), (828, 195361), (1041, 155388), (1126, 143658), (1388, 116541), (1689, 95772), (2082, 77694), (2252, 71829), (3123, 51796), (3378, 47886), (4164, 38847), (5067, 31924), (6246, 25898), (6756, 23943), (7981, 20268), (10134, 15962), (12492, 12949)]