313486528

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3947}}^1$

素因数の和:4049

約数の個数: 56

約数和(自身を含む): 667859472

約数和(自身を除く): 354372944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 272, 292, 544, 584, 1088, 1168, 1241, 2336, 2482, 3947, 4672, 4964, 7894, 9928, 15788, 19856, 31576, 39712, 63152, 67099, 79424, 126304, 134198, 252608, 268396, 288131, 536792, 576262, 1073584, 1152524, 2147168, 2305048, 4294336, 4610096, 4898227, 9220192, 9796454, 18440384, 19592908, 39185816, 78371632, 156743264, 313486528]

約数ペア:

[(1, 313486528), (2, 156743264), (4, 78371632), (8, 39185816), (16, 19592908), (17, 18440384), (32, 9796454), (34, 9220192), (64, 4898227), (68, 4610096), (73, 4294336), (136, 2305048), (146, 2147168), (272, 1152524), (292, 1073584), (544, 576262), (584, 536792), (1088, 288131), (1168, 268396), (1241, 252608), (2336, 134198), (2482, 126304), (3947, 79424), (4672, 67099), (4964, 63152), (7894, 39712), (9928, 31576), (15788, 19856)]