215751019715

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1\times {\mathrm{2843}}^1$

素因数の和:3873

約数の個数: 96

約数和(自身を含む): 340348988160

約数和(自身を除く): 124597968445

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 385, 539, 971, 1015, 1421, 1595, 2233, 2695, 2843, 4855, 6797, 7105, 10681, 11165, 14215, 15631, 19901, 28159, 31273, 33985, 47579, 53405, 74767, 78155, 82447, 99505, 139307, 140795, 156365, 197113, 218911, 237895, 309749, 373835, 412235, 523369, 577129, 696535, 906917, 985565, 1094555, 1379791, 1532377, 1548745, 2168243, 2616845, 2760553, 2885645, 4039903, 4534585, 6348419, 6898955, 7661885, 10841215, 13802765, 15177701, 19323871, 20199515, 30366083, 31742095, 44438933, 75888505, 80056037, 96619355, 135267097, 151830415, 212562581, 222194665, 400280185, 560392259, 676335485, 880616407, 1062812905, 1487938067, 2801961295, 3922745813, 4403082035, 6164314849, 7439690335, 19613729065, 30821574245, 43150203943, 215751019715]

約数ペア:

[(1, 215751019715), (5, 43150203943), (7, 30821574245), (11, 19613729065), (29, 7439690335), (35, 6164314849), (49, 4403082035), (55, 3922745813), (77, 2801961295), (145, 1487938067), (203, 1062812905), (245, 880616407), (319, 676335485), (385, 560392259), (539, 400280185), (971, 222194665), (1015, 212562581), (1421, 151830415), (1595, 135267097), (2233, 96619355), (2695, 80056037), (2843, 75888505), (4855, 44438933), (6797, 31742095), (7105, 30366083), (10681, 20199515), (11165, 19323871), (14215, 15177701), (15631, 13802765), (19901, 10841215), (28159, 7661885), (31273, 6898955), (33985, 6348419), (47579, 4534585), (53405, 4039903), (74767, 2885645), (78155, 2760553), (82447, 2616845), (99505, 2168243), (139307, 1548745), (140795, 1532377), (156365, 1379791), (197113, 1094555), (218911, 985565), (237895, 906917), (309749, 696535), (373835, 577129), (412235, 523369)]