646725636

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 108

約数和(自身を含む): 1737718164

約数和(自身を除く): 1090992528

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 41, 58, 82, 87, 116, 123, 164, 174, 246, 261, 348, 369, 492, 521, 522, 738, 841, 1042, 1044, 1189, 1476, 1563, 1682, 2084, 2378, 2523, 3126, 3364, 3567, 4689, 4756, 5046, 6252, 7134, 7569, 9378, 10092, 10701, 14268, 15109, 15138, 18756, 21361, 21402, 30218, 30276, 34481, 42722, 42804, 45327, 60436, 64083, 68962, 85444, 90654, 103443, 128166, 135981, 137924, 181308, 192249, 206886, 256332, 271962, 310329, 384498, 413772, 438161, 543924, 619469, 620658, 768996, 876322, 1238938, 1241316, 1314483, 1752644, 1858407, 2477876, 2628966, 3716814, 3943449, 5257932, 5575221, 7433628, 7886898, 11150442, 15773796, 17964601, 22300884, 35929202, 53893803, 71858404, 107787606, 161681409, 215575212, 323362818, 646725636]

約数ペア:

[(1, 646725636), (2, 323362818), (3, 215575212), (4, 161681409), (6, 107787606), (9, 71858404), (12, 53893803), (18, 35929202), (29, 22300884), (36, 17964601), (41, 15773796), (58, 11150442), (82, 7886898), (87, 7433628), (116, 5575221), (123, 5257932), (164, 3943449), (174, 3716814), (246, 2628966), (261, 2477876), (348, 1858407), (369, 1752644), (492, 1314483), (521, 1241316), (522, 1238938), (738, 876322), (841, 768996), (1042, 620658), (1044, 619469), (1189, 543924), (1476, 438161), (1563, 413772), (1682, 384498), (2084, 310329), (2378, 271962), (2523, 256332), (3126, 206886), (3364, 192249), (3567, 181308), (4689, 137924), (4756, 135981), (5046, 128166), (6252, 103443), (7134, 90654), (7569, 85444), (9378, 68962), (10092, 64083), (10701, 60436), (14268, 45327), (15109, 42804), (15138, 42722), (18756, 34481), (21361, 30276), (21402, 30218)]