15678901238

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{19727}}^1$

素因数の和:20157

約数の個数: 64

約数和(自身を含む): 31658231808

約数和(自身を除く): 15979330570

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 397, 794, 1001, 2002, 2779, 4367, 5161, 5558, 8734, 10322, 19727, 30569, 36127, 39454, 56771, 61138, 72254, 113542, 138089, 216997, 256451, 276178, 397397, 433994, 512902, 794794, 1518979, 1795157, 2820961, 3037958, 3590314, 5641922, 7831619, 15663238, 19746727, 39493454, 54821333, 86147809, 101811047, 109642666, 172295618, 203622094, 603034663, 712677329, 1119921517, 1206069326, 1425354658, 2239843034, 7839450619, 15678901238]

約数ペア:

[(1, 15678901238), (2, 7839450619), (7, 2239843034), (11, 1425354658), (13, 1206069326), (14, 1119921517), (22, 712677329), (26, 603034663), (77, 203622094), (91, 172295618), (143, 109642666), (154, 101811047), (182, 86147809), (286, 54821333), (397, 39493454), (794, 19746727), (1001, 15663238), (2002, 7831619), (2779, 5641922), (4367, 3590314), (5161, 3037958), (5558, 2820961), (8734, 1795157), (10322, 1518979), (19727, 794794), (30569, 512902), (36127, 433994), (39454, 397397), (56771, 276178), (61138, 256451), (72254, 216997), (113542, 138089)]