217252204

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 437179680

約数和(自身を除く): 219927476

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 89, 92, 157, 169, 178, 299, 314, 338, 356, 598, 628, 676, 1157, 1196, 2041, 2047, 2314, 3611, 3887, 4082, 4094, 4628, 7222, 7774, 8164, 8188, 13973, 14444, 15041, 15548, 26533, 26611, 27946, 30082, 46943, 53066, 53222, 55892, 60164, 93886, 106132, 106444, 181649, 187772, 321379, 345943, 363298, 610259, 642758, 691886, 726596, 1220518, 1285516, 1383772, 2361437, 2441036, 4177927, 4722874, 8355854, 9445748, 16711708, 54313051, 108626102, 217252204]

約数ペア:

[(1, 217252204), (2, 108626102), (4, 54313051), (13, 16711708), (23, 9445748), (26, 8355854), (46, 4722874), (52, 4177927), (89, 2441036), (92, 2361437), (157, 1383772), (169, 1285516), (178, 1220518), (299, 726596), (314, 691886), (338, 642758), (356, 610259), (598, 363298), (628, 345943), (676, 321379), (1157, 187772), (1196, 181649), (2041, 106444), (2047, 106132), (2314, 93886), (3611, 60164), (3887, 55892), (4082, 53222), (4094, 53066), (4628, 46943), (7222, 30082), (7774, 27946), (8164, 26611), (8188, 26533), (13973, 15548), (14444, 15041)]