161814618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 431101440

約数和(自身を除く): 269286822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 53, 54, 63, 82, 106, 123, 126, 159, 189, 197, 246, 287, 318, 369, 371, 378, 394, 477, 574, 591, 738, 742, 861, 954, 1107, 1113, 1182, 1379, 1431, 1722, 1773, 2173, 2214, 2226, 2583, 2758, 2862, 3339, 3546, 4137, 4346, 5166, 5319, 6519, 6678, 7749, 8077, 8274, 10017, 10441, 10638, 12411, 13038, 15211, 15498, 16154, 19557, 20034, 20882, 24231, 24822, 30422, 31323, 37233, 39114, 45633, 48462, 56539, 58671, 62646, 72693, 73087, 74466, 91266, 93969, 113078, 117342, 136899, 145386, 146174, 169617, 187938, 218079, 219261, 273798, 281907, 339234, 410697, 428081, 436158, 438522, 508851, 563814, 657783, 821394, 856162, 1017702, 1284243, 1315566, 1526553, 1973349, 2568486, 2996567, 3053106, 3852729, 3946698, 5993134, 7705458, 8989701, 11558187, 17979402, 23116374, 26969103, 53938206, 80907309, 161814618]

約数ペア:

[(1, 161814618), (2, 80907309), (3, 53938206), (6, 26969103), (7, 23116374), (9, 17979402), (14, 11558187), (18, 8989701), (21, 7705458), (27, 5993134), (41, 3946698), (42, 3852729), (53, 3053106), (54, 2996567), (63, 2568486), (82, 1973349), (106, 1526553), (123, 1315566), (126, 1284243), (159, 1017702), (189, 856162), (197, 821394), (246, 657783), (287, 563814), (318, 508851), (369, 438522), (371, 436158), (378, 428081), (394, 410697), (477, 339234), (574, 281907), (591, 273798), (738, 219261), (742, 218079), (861, 187938), (954, 169617), (1107, 146174), (1113, 145386), (1182, 136899), (1379, 117342), (1431, 113078), (1722, 93969), (1773, 91266), (2173, 74466), (2214, 73087), (2226, 72693), (2583, 62646), (2758, 58671), (2862, 56539), (3339, 48462), (3546, 45633), (4137, 39114), (4346, 37233), (5166, 31323), (5319, 30422), (6519, 24822), (6678, 24231), (7749, 20882), (8077, 20034), (8274, 19557), (10017, 16154), (10441, 15498), (10638, 15211), (12411, 13038)]