643472012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2687}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 1246371840

約数和(自身を除く): 602899828

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 137, 274, 437, 548, 874, 1748, 2603, 2687, 3151, 5206, 5374, 6302, 10412, 10748, 12604, 51053, 59869, 61801, 102106, 119738, 123602, 204212, 239476, 247204, 368119, 736238, 1174219, 1472476, 2348438, 4696876, 6994261, 8466737, 13988522, 16933474, 27977044, 33866948, 160868003, 321736006, 643472012]

約数ペア:

[(1, 643472012), (2, 321736006), (4, 160868003), (19, 33866948), (23, 27977044), (38, 16933474), (46, 13988522), (76, 8466737), (92, 6994261), (137, 4696876), (274, 2348438), (437, 1472476), (548, 1174219), (874, 736238), (1748, 368119), (2603, 247204), (2687, 239476), (3151, 204212), (5206, 123602), (5374, 119738), (6302, 102106), (10412, 61801), (10748, 59869), (12604, 51053)]