187865909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 260554752

約数和(自身を除く): 72688843

約数列:

[1, 7, 11, 23, 37, 47, 61, 77, 161, 253, 259, 329, 407, 427, 517, 671, 851, 1081, 1403, 1739, 1771, 2257, 2849, 2867, 3619, 4697, 5957, 7567, 9361, 9821, 11891, 12173, 15433, 15799, 19129, 20069, 24827, 31537, 39997, 51911, 65527, 65941, 83237, 106079, 108031, 133903, 173789, 220759, 279979, 363377, 439967, 461587, 571021, 725351, 742553, 1166869, 2439817, 3079769, 3997147, 5077457, 8168083, 17078719, 26837987, 187865909]

約数ペア:

[(1, 187865909), (7, 26837987), (11, 17078719), (23, 8168083), (37, 5077457), (47, 3997147), (61, 3079769), (77, 2439817), (161, 1166869), (253, 742553), (259, 725351), (329, 571021), (407, 461587), (427, 439967), (517, 363377), (671, 279979), (851, 220759), (1081, 173789), (1403, 133903), (1739, 108031), (1771, 106079), (2257, 83237), (2849, 65941), (2867, 65527), (3619, 51911), (4697, 39997), (5957, 31537), (7567, 24827), (9361, 20069), (9821, 19129), (11891, 15799), (12173, 15433)]