157921998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 353869824

約数和(自身を除く): 195947826

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 241, 271, 403, 482, 542, 723, 806, 813, 1209, 1446, 1626, 2418, 3133, 3523, 6266, 7046, 7471, 8401, 9399, 10569, 14942, 16802, 18798, 21138, 22413, 25203, 44826, 50406, 65311, 97123, 109213, 130622, 194246, 195933, 218426, 291369, 327639, 391866, 582738, 655278, 849043, 1698086, 2024641, 2547129, 4049282, 5094258, 6073923, 12147846, 26320333, 52640666, 78960999, 157921998]

約数ペア:

[(1, 157921998), (2, 78960999), (3, 52640666), (6, 26320333), (13, 12147846), (26, 6073923), (31, 5094258), (39, 4049282), (62, 2547129), (78, 2024641), (93, 1698086), (186, 849043), (241, 655278), (271, 582738), (403, 391866), (482, 327639), (542, 291369), (723, 218426), (806, 195933), (813, 194246), (1209, 130622), (1446, 109213), (1626, 97123), (2418, 65311), (3133, 50406), (3523, 44826), (6266, 25203), (7046, 22413), (7471, 21138), (8401, 18798), (9399, 16802), (10569, 14942)]