138189568

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 310818816

約数和(自身を除く): 172629248

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 682, 704, 992, 1364, 1408, 1583, 1984, 2728, 2816, 3166, 3968, 5456, 6332, 7936, 10912, 12664, 17413, 21824, 25328, 34826, 43648, 49073, 50656, 69652, 87296, 98146, 101312, 139304, 196292, 202624, 278608, 392584, 405248, 539803, 557216, 785168, 1079606, 1114432, 1570336, 2159212, 2228864, 3140672, 4318424, 4457728, 6281344, 8636848, 12562688, 17273696, 34547392, 69094784, 138189568]

約数ペア:

[(1, 138189568), (2, 69094784), (4, 34547392), (8, 17273696), (11, 12562688), (16, 8636848), (22, 6281344), (31, 4457728), (32, 4318424), (44, 3140672), (62, 2228864), (64, 2159212), (88, 1570336), (124, 1114432), (128, 1079606), (176, 785168), (248, 557216), (256, 539803), (341, 405248), (352, 392584), (496, 278608), (682, 202624), (704, 196292), (992, 139304), (1364, 101312), (1408, 98146), (1583, 87296), (1984, 69652), (2728, 50656), (2816, 49073), (3166, 43648), (3968, 34826), (5456, 25328), (6332, 21824), (7936, 17413), (10912, 12664)]