641860952

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 1293926400

約数和(自身を除く): 652065448

約数列:

[1, 2, 4, 8, 31, 47, 53, 62, 94, 106, 124, 188, 212, 248, 376, 424, 1039, 1457, 1643, 2078, 2491, 2914, 3286, 4156, 4982, 5828, 6572, 8312, 9964, 11656, 13144, 19928, 32209, 48833, 55067, 64418, 77221, 97666, 110134, 128836, 154442, 195332, 220268, 257672, 308884, 390664, 440536, 617768, 1513823, 1707077, 2588149, 3027646, 3414154, 5176298, 6055292, 6828308, 10352596, 12110584, 13656616, 20705192, 80232619, 160465238, 320930476, 641860952]

約数ペア:

[(1, 641860952), (2, 320930476), (4, 160465238), (8, 80232619), (31, 20705192), (47, 13656616), (53, 12110584), (62, 10352596), (94, 6828308), (106, 6055292), (124, 5176298), (188, 3414154), (212, 3027646), (248, 2588149), (376, 1707077), (424, 1513823), (1039, 617768), (1457, 440536), (1643, 390664), (2078, 308884), (2491, 257672), (2914, 220268), (3286, 195332), (4156, 154442), (4982, 128836), (5828, 110134), (6572, 97666), (8312, 77221), (9964, 64418), (11656, 55067), (13144, 48833), (19928, 32209)]