641905176

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1105

約数の個数: 128

約数和(自身を含む): 1867484160

約数和(自身を除く): 1225578984

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 157, 187, 204, 264, 314, 374, 408, 471, 561, 628, 748, 911, 942, 1122, 1256, 1496, 1727, 1822, 1884, 2244, 2669, 2733, 3454, 3644, 3768, 4488, 5181, 5338, 5466, 6908, 7288, 8007, 10021, 10362, 10676, 10932, 13816, 15487, 16014, 20042, 20724, 21352, 21864, 29359, 30063, 30974, 32028, 40084, 41448, 46461, 58718, 60126, 61948, 64056, 80168, 88077, 92922, 117436, 120252, 123896, 143027, 170357, 176154, 185844, 234872, 240504, 286054, 340714, 352308, 371688, 429081, 511071, 572108, 681428, 704616, 858162, 1022142, 1144216, 1362856, 1573297, 1716324, 2044284, 2431459, 3146594, 3432648, 4088568, 4719891, 4862918, 6293188, 7294377, 9439782, 9725836, 12586376, 14588754, 18879564, 19451672, 26746049, 29177508, 37759128, 53492098, 58355016, 80238147, 106984196, 160476294, 213968392, 320952588, 641905176]

約数ペア:

[(1, 641905176), (2, 320952588), (3, 213968392), (4, 160476294), (6, 106984196), (8, 80238147), (11, 58355016), (12, 53492098), (17, 37759128), (22, 29177508), (24, 26746049), (33, 19451672), (34, 18879564), (44, 14588754), (51, 12586376), (66, 9725836), (68, 9439782), (88, 7294377), (102, 6293188), (132, 4862918), (136, 4719891), (157, 4088568), (187, 3432648), (204, 3146594), (264, 2431459), (314, 2044284), (374, 1716324), (408, 1573297), (471, 1362856), (561, 1144216), (628, 1022142), (748, 858162), (911, 704616), (942, 681428), (1122, 572108), (1256, 511071), (1496, 429081), (1727, 371688), (1822, 352308), (1884, 340714), (2244, 286054), (2669, 240504), (2733, 234872), (3454, 185844), (3644, 176154), (3768, 170357), (4488, 143027), (5181, 123896), (5338, 120252), (5466, 117436), (6908, 92922), (7288, 88077), (8007, 80168), (10021, 64056), (10362, 61948), (10676, 60126), (10932, 58718), (13816, 46461), (15487, 41448), (16014, 40084), (20042, 32028), (20724, 30974), (21352, 30063), (21864, 29359)]