81942272

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 172897872

約数和(自身を除く): 90955600

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 64, 74, 82, 128, 148, 164, 211, 256, 296, 328, 422, 592, 656, 844, 1184, 1312, 1517, 1688, 2368, 2624, 3034, 3376, 4736, 5248, 6068, 6752, 7807, 8651, 9472, 10496, 12136, 13504, 15614, 17302, 24272, 27008, 31228, 34604, 48544, 54016, 62456, 69208, 97088, 124912, 138416, 194176, 249824, 276832, 320087, 388352, 499648, 553664, 640174, 999296, 1107328, 1280348, 1998592, 2214656, 2560696, 5121392, 10242784, 20485568, 40971136, 81942272]

約数ペア:

[(1, 81942272), (2, 40971136), (4, 20485568), (8, 10242784), (16, 5121392), (32, 2560696), (37, 2214656), (41, 1998592), (64, 1280348), (74, 1107328), (82, 999296), (128, 640174), (148, 553664), (164, 499648), (211, 388352), (256, 320087), (296, 276832), (328, 249824), (422, 194176), (592, 138416), (656, 124912), (844, 97088), (1184, 69208), (1312, 62456), (1517, 54016), (1688, 48544), (2368, 34604), (2624, 31228), (3034, 27008), (3376, 24272), (4736, 17302), (5248, 15614), (6068, 13504), (6752, 12136), (7807, 10496), (8651, 9472)]