1997304892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 3921372000

約数和(自身を除く): 1924067108

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 199, 233, 242, 356, 398, 466, 484, 796, 932, 979, 1958, 2189, 2563, 3916, 4378, 5126, 8756, 10252, 10769, 17711, 20737, 21538, 24079, 28193, 35422, 41474, 43076, 46367, 48158, 56386, 70844, 82948, 92734, 96316, 112772, 185468, 194821, 228107, 389642, 456214, 510037, 779284, 912428, 1020074, 2040148, 2143031, 2509177, 4126663, 4286062, 5018354, 5610407, 8253326, 8572124, 10036708, 11220814, 16506652, 22441628, 45393293, 90786586, 181573172, 499326223, 998652446, 1997304892]

約数ペア:

[(1, 1997304892), (2, 998652446), (4, 499326223), (11, 181573172), (22, 90786586), (44, 45393293), (89, 22441628), (121, 16506652), (178, 11220814), (199, 10036708), (233, 8572124), (242, 8253326), (356, 5610407), (398, 5018354), (466, 4286062), (484, 4126663), (796, 2509177), (932, 2143031), (979, 2040148), (1958, 1020074), (2189, 912428), (2563, 779284), (3916, 510037), (4378, 456214), (5126, 389642), (8756, 228107), (10252, 194821), (10769, 185468), (17711, 112772), (20737, 96316), (21538, 92734), (24079, 82948), (28193, 70844), (35422, 56386), (41474, 48158), (43076, 46367)]