171991638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 474810336

約数和(自身を除く): 302818698

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 41, 42, 63, 78, 82, 91, 117, 123, 126, 169, 182, 197, 234, 246, 273, 287, 338, 369, 394, 507, 533, 546, 574, 591, 738, 819, 861, 1014, 1066, 1182, 1183, 1379, 1521, 1599, 1638, 1722, 1773, 2366, 2561, 2583, 2758, 3042, 3198, 3546, 3549, 3731, 4137, 4797, 5122, 5166, 6929, 7098, 7462, 7683, 8077, 8274, 9594, 10647, 11193, 12411, 13858, 15366, 16154, 17927, 20787, 21294, 22386, 23049, 24231, 24822, 33293, 33579, 35854, 41574, 46098, 48462, 48503, 53781, 56539, 62361, 66586, 67158, 72693, 97006, 99879, 105001, 107562, 113078, 124722, 145386, 145509, 161343, 169617, 199758, 210002, 233051, 291018, 299637, 315003, 322686, 339234, 436527, 466102, 508851, 599274, 630006, 699153, 735007, 873054, 945009, 1017702, 1365013, 1398306, 1470014, 1890018, 2097459, 2205021, 2730026, 4095039, 4194918, 4410042, 6615063, 8190078, 9555091, 12285117, 13230126, 19110182, 24570234, 28665273, 57330546, 85995819, 171991638]

約数ペア:

[(1, 171991638), (2, 85995819), (3, 57330546), (6, 28665273), (7, 24570234), (9, 19110182), (13, 13230126), (14, 12285117), (18, 9555091), (21, 8190078), (26, 6615063), (39, 4410042), (41, 4194918), (42, 4095039), (63, 2730026), (78, 2205021), (82, 2097459), (91, 1890018), (117, 1470014), (123, 1398306), (126, 1365013), (169, 1017702), (182, 945009), (197, 873054), (234, 735007), (246, 699153), (273, 630006), (287, 599274), (338, 508851), (369, 466102), (394, 436527), (507, 339234), (533, 322686), (546, 315003), (574, 299637), (591, 291018), (738, 233051), (819, 210002), (861, 199758), (1014, 169617), (1066, 161343), (1182, 145509), (1183, 145386), (1379, 124722), (1521, 113078), (1599, 107562), (1638, 105001), (1722, 99879), (1773, 97006), (2366, 72693), (2561, 67158), (2583, 66586), (2758, 62361), (3042, 56539), (3198, 53781), (3546, 48503), (3549, 48462), (3731, 46098), (4137, 41574), (4797, 35854), (5122, 33579), (5166, 33293), (6929, 24822), (7098, 24231), (7462, 23049), (7683, 22386), (8077, 21294), (8274, 20787), (9594, 17927), (10647, 16154), (11193, 15366), (12411, 13858)]