31151744

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 67872840

約数和(自身を除く): 36721096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 193, 194, 208, 386, 388, 416, 772, 776, 832, 1261, 1544, 1552, 1664, 2509, 2522, 3088, 3104, 5018, 5044, 6176, 6208, 10036, 10088, 12352, 12416, 18721, 20072, 20176, 24704, 37442, 40144, 40352, 74884, 80288, 80704, 149768, 160576, 161408, 243373, 299536, 321152, 486746, 599072, 973492, 1198144, 1946984, 2396288, 3893968, 7787936, 15575872, 31151744]

約数ペア:

[(1, 31151744), (2, 15575872), (4, 7787936), (8, 3893968), (13, 2396288), (16, 1946984), (26, 1198144), (32, 973492), (52, 599072), (64, 486746), (97, 321152), (104, 299536), (128, 243373), (193, 161408), (194, 160576), (208, 149768), (386, 80704), (388, 80288), (416, 74884), (772, 40352), (776, 40144), (832, 37442), (1261, 24704), (1544, 20176), (1552, 20072), (1664, 18721), (2509, 12416), (2522, 12352), (3088, 10088), (3104, 10036), (5018, 6208), (5044, 6176)]