646164312

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:561

約数の個数: 128

約数和(自身を含む): 1777248000

約数和(自身を除く): 1131083688

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 29, 38, 57, 58, 76, 87, 114, 116, 131, 152, 174, 228, 232, 262, 348, 373, 393, 456, 524, 551, 696, 746, 786, 1048, 1102, 1119, 1492, 1572, 1653, 2204, 2238, 2489, 2984, 3144, 3306, 3799, 4408, 4476, 4978, 6612, 7087, 7467, 7598, 8952, 9956, 10817, 11397, 13224, 14174, 14934, 15196, 19912, 21261, 21634, 22794, 28348, 29868, 30392, 32451, 42522, 43268, 45588, 48863, 56696, 59736, 64902, 72181, 85044, 86536, 91176, 97726, 129804, 144362, 146589, 170088, 195452, 205523, 216543, 259608, 288724, 293178, 390904, 411046, 433086, 577448, 586356, 616569, 822092, 866172, 928397, 1172712, 1233138, 1417027, 1644184, 1732344, 1856794, 2466276, 2785191, 2834054, 3713588, 4251081, 4932552, 5570382, 5668108, 7427176, 8502162, 11140764, 11336216, 17004324, 22281528, 26923513, 34008648, 53847026, 80770539, 107694052, 161541078, 215388104, 323082156, 646164312]

約数ペア:

[(1, 646164312), (2, 323082156), (3, 215388104), (4, 161541078), (6, 107694052), (8, 80770539), (12, 53847026), (19, 34008648), (24, 26923513), (29, 22281528), (38, 17004324), (57, 11336216), (58, 11140764), (76, 8502162), (87, 7427176), (114, 5668108), (116, 5570382), (131, 4932552), (152, 4251081), (174, 3713588), (228, 2834054), (232, 2785191), (262, 2466276), (348, 1856794), (373, 1732344), (393, 1644184), (456, 1417027), (524, 1233138), (551, 1172712), (696, 928397), (746, 866172), (786, 822092), (1048, 616569), (1102, 586356), (1119, 577448), (1492, 433086), (1572, 411046), (1653, 390904), (2204, 293178), (2238, 288724), (2489, 259608), (2984, 216543), (3144, 205523), (3306, 195452), (3799, 170088), (4408, 146589), (4476, 144362), (4978, 129804), (6612, 97726), (7087, 91176), (7467, 86536), (7598, 85044), (8952, 72181), (9956, 64902), (10817, 59736), (11397, 56696), (13224, 48863), (14174, 45588), (14934, 43268), (15196, 42522), (19912, 32451), (21261, 30392), (21634, 29868), (22794, 28348)]