166687456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21089}}^1$

素因数の和:21131

約数の個数: 48

約数和(自身を含む): 372027600

約数和(自身を除く): 205340144

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 21089, 42178, 84356, 168712, 274157, 337424, 400691, 548314, 674848, 801382, 1096628, 1602764, 2193256, 3205528, 4386512, 5208983, 6411056, 8773024, 10417966, 12822112, 20835932, 41671864, 83343728, 166687456]

約数ペア:

[(1, 166687456), (2, 83343728), (4, 41671864), (8, 20835932), (13, 12822112), (16, 10417966), (19, 8773024), (26, 6411056), (32, 5208983), (38, 4386512), (52, 3205528), (76, 2193256), (104, 1602764), (152, 1096628), (208, 801382), (247, 674848), (304, 548314), (416, 400691), (494, 337424), (608, 274157), (988, 168712), (1976, 84356), (3952, 42178), (7904, 21089)]