291352208

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 668123904

約数和(自身を除く): 376771696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 167, 259, 296, 334, 421, 518, 592, 668, 842, 1036, 1169, 1336, 1684, 2072, 2338, 2672, 2947, 3368, 4144, 4676, 5894, 6179, 6736, 9352, 11788, 12358, 15577, 18704, 23576, 24716, 31154, 43253, 47152, 49432, 62308, 70307, 86506, 98864, 109039, 124616, 140614, 173012, 218078, 249232, 281228, 346024, 436156, 492149, 562456, 692048, 872312, 984298, 1124912, 1744624, 1968596, 2601359, 3937192, 5202718, 7874384, 10405436, 18209513, 20810872, 36419026, 41621744, 72838052, 145676104, 291352208]

約数ペア:

[(1, 291352208), (2, 145676104), (4, 72838052), (7, 41621744), (8, 36419026), (14, 20810872), (16, 18209513), (28, 10405436), (37, 7874384), (56, 5202718), (74, 3937192), (112, 2601359), (148, 1968596), (167, 1744624), (259, 1124912), (296, 984298), (334, 872312), (421, 692048), (518, 562456), (592, 492149), (668, 436156), (842, 346024), (1036, 281228), (1169, 249232), (1336, 218078), (1684, 173012), (2072, 140614), (2338, 124616), (2672, 109039), (2947, 98864), (3368, 86506), (4144, 70307), (4676, 62308), (5894, 49432), (6179, 47152), (6736, 43253), (9352, 31154), (11788, 24716), (12358, 23576), (15577, 18704)]