820245244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 1839251456

約数和(自身を除く): 1019006212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 157, 182, 217, 314, 364, 403, 434, 463, 628, 806, 868, 926, 1099, 1612, 1852, 2041, 2198, 2821, 3241, 4082, 4396, 4867, 5642, 6019, 6482, 8164, 9734, 11284, 12038, 12964, 14287, 14353, 19468, 24076, 28574, 28706, 34069, 42133, 57148, 57412, 63271, 68138, 72691, 84266, 100471, 126542, 136276, 145382, 168532, 186589, 200942, 253084, 290764, 373178, 401884, 442897, 508837, 746356, 885794, 944983, 1017674, 1306123, 1771588, 1889966, 2035348, 2253421, 2612246, 3779932, 4506842, 5224492, 6614881, 9013684, 13229762, 15773947, 26459524, 29294473, 31547894, 58588946, 63095788, 117177892, 205061311, 410122622, 820245244]

約数ペア:

[(1, 820245244), (2, 410122622), (4, 205061311), (7, 117177892), (13, 63095788), (14, 58588946), (26, 31547894), (28, 29294473), (31, 26459524), (52, 15773947), (62, 13229762), (91, 9013684), (124, 6614881), (157, 5224492), (182, 4506842), (217, 3779932), (314, 2612246), (364, 2253421), (403, 2035348), (434, 1889966), (463, 1771588), (628, 1306123), (806, 1017674), (868, 944983), (926, 885794), (1099, 746356), (1612, 508837), (1852, 442897), (2041, 401884), (2198, 373178), (2821, 290764), (3241, 253084), (4082, 200942), (4396, 186589), (4867, 168532), (5642, 145382), (6019, 136276), (6482, 126542), (8164, 100471), (9734, 84266), (11284, 72691), (12038, 68138), (12964, 63271), (14287, 57412), (14353, 57148), (19468, 42133), (24076, 34069), (28574, 28706)]