42781388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 88715088

約数和(自身を除く): 45933700

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 53, 76, 86, 106, 172, 212, 247, 361, 494, 559, 689, 722, 817, 988, 1007, 1118, 1378, 1444, 1634, 2014, 2236, 2279, 2756, 3268, 4028, 4558, 4693, 9116, 9386, 10621, 13091, 15523, 18772, 19133, 21242, 26182, 29627, 31046, 38266, 42484, 43301, 52364, 59254, 62092, 76532, 86602, 118508, 173204, 201799, 248729, 403598, 497458, 562913, 807196, 822719, 994916, 1125826, 1645438, 2251652, 3290876, 10695347, 21390694, 42781388]

約数ペア:

[(1, 42781388), (2, 21390694), (4, 10695347), (13, 3290876), (19, 2251652), (26, 1645438), (38, 1125826), (43, 994916), (52, 822719), (53, 807196), (76, 562913), (86, 497458), (106, 403598), (172, 248729), (212, 201799), (247, 173204), (361, 118508), (494, 86602), (559, 76532), (689, 62092), (722, 59254), (817, 52364), (988, 43301), (1007, 42484), (1118, 38266), (1378, 31046), (1444, 29627), (1634, 26182), (2014, 21242), (2236, 19133), (2279, 18772), (2756, 15523), (3268, 13091), (4028, 10621), (4558, 9386), (4693, 9116)]