25181312

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 55620600

約数和(自身を除く): 30439288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 296, 409, 416, 481, 592, 818, 832, 962, 1184, 1636, 1664, 1924, 2368, 3272, 3848, 4736, 5317, 6544, 7696, 10634, 13088, 15133, 15392, 21268, 26176, 30266, 30784, 42536, 52352, 60532, 61568, 85072, 121064, 170144, 196729, 242128, 340288, 393458, 484256, 680576, 786916, 968512, 1573832, 1937024, 3147664, 6295328, 12590656, 25181312]

約数ペア:

[(1, 25181312), (2, 12590656), (4, 6295328), (8, 3147664), (13, 1937024), (16, 1573832), (26, 968512), (32, 786916), (37, 680576), (52, 484256), (64, 393458), (74, 340288), (104, 242128), (128, 196729), (148, 170144), (208, 121064), (296, 85072), (409, 61568), (416, 60532), (481, 52352), (592, 42536), (818, 30784), (832, 30266), (962, 26176), (1184, 21268), (1636, 15392), (1664, 15133), (1924, 13088), (2368, 10634), (3272, 7696), (3848, 6544), (4736, 5317)]