201994538468

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1427}}^1\times {\mathrm{2251}}^1$

素因数の和:3960

約数の個数: 48

約数和(自身を含む): 360175872000

約数和(自身を除く): 158181333532

約数列:

[1, 2, 4, 79, 158, 199, 316, 398, 796, 1427, 2251, 2854, 4502, 5708, 9004, 15721, 31442, 62884, 112733, 177829, 225466, 283973, 355658, 447949, 450932, 567946, 711316, 895898, 1135892, 1791796, 3212177, 6424354, 12848708, 22433867, 35387971, 44867734, 70775942, 89735468, 141551884, 253761983, 507523966, 639223223, 1015047932, 1278446446, 2556892892, 50498634617, 100997269234, 201994538468]

約数ペア:

[(1, 201994538468), (2, 100997269234), (4, 50498634617), (79, 2556892892), (158, 1278446446), (199, 1015047932), (316, 639223223), (398, 507523966), (796, 253761983), (1427, 141551884), (2251, 89735468), (2854, 70775942), (4502, 44867734), (5708, 35387971), (9004, 22433867), (15721, 12848708), (31442, 6424354), (62884, 3212177), (112733, 1791796), (177829, 1135892), (225466, 895898), (283973, 711316), (355658, 567946), (447949, 450932)]