639778632

素因数分解:

$2^3\times 3^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{1381}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 1625232000

約数和(自身を除く): 985453368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 97, 194, 199, 291, 388, 398, 582, 597, 776, 796, 1164, 1194, 1381, 1592, 2328, 2388, 2762, 4143, 4776, 5524, 8286, 11048, 16572, 19303, 33144, 38606, 57909, 77212, 115818, 133957, 154424, 231636, 267914, 274819, 401871, 463272, 535828, 549638, 803742, 824457, 1071656, 1099276, 1607484, 1648914, 2198552, 3214968, 3297828, 6595656, 26657443, 53314886, 79972329, 106629772, 159944658, 213259544, 319889316, 639778632]

約数ペア:

[(1, 639778632), (2, 319889316), (3, 213259544), (4, 159944658), (6, 106629772), (8, 79972329), (12, 53314886), (24, 26657443), (97, 6595656), (194, 3297828), (199, 3214968), (291, 2198552), (388, 1648914), (398, 1607484), (582, 1099276), (597, 1071656), (776, 824457), (796, 803742), (1164, 549638), (1194, 535828), (1381, 463272), (1592, 401871), (2328, 274819), (2388, 267914), (2762, 231636), (4143, 154424), (4776, 133957), (5524, 115818), (8286, 77212), (11048, 57909), (16572, 38606), (19303, 33144)]