81016164

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 211891680

約数和(自身を除く): 130875516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 131, 164, 246, 262, 369, 393, 419, 492, 524, 738, 786, 838, 1179, 1257, 1476, 1572, 1676, 2358, 2514, 3771, 4716, 5028, 5371, 7542, 10742, 15084, 16113, 17179, 21484, 32226, 34358, 48339, 51537, 54889, 64452, 68716, 96678, 103074, 109778, 154611, 164667, 193356, 206148, 219556, 309222, 329334, 494001, 618444, 658668, 988002, 1976004, 2250449, 4500898, 6751347, 9001796, 13502694, 20254041, 27005388, 40508082, 81016164]

約数ペア:

[(1, 81016164), (2, 40508082), (3, 27005388), (4, 20254041), (6, 13502694), (9, 9001796), (12, 6751347), (18, 4500898), (36, 2250449), (41, 1976004), (82, 988002), (123, 658668), (131, 618444), (164, 494001), (246, 329334), (262, 309222), (369, 219556), (393, 206148), (419, 193356), (492, 164667), (524, 154611), (738, 109778), (786, 103074), (838, 96678), (1179, 68716), (1257, 64452), (1476, 54889), (1572, 51537), (1676, 48339), (2358, 34358), (2514, 32226), (3771, 21484), (4716, 17179), (5028, 16113), (5371, 15084), (7542, 10742)]