1200721784

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 2372457600

約数和(自身を除く): 1171735816

約数列:

[1, 2, 4, 8, 47, 53, 89, 94, 106, 178, 188, 212, 356, 376, 424, 677, 712, 1354, 2491, 2708, 4183, 4717, 4982, 5416, 8366, 9434, 9964, 16732, 18868, 19928, 31819, 33464, 35881, 37736, 60253, 63638, 71762, 120506, 127276, 143524, 221699, 241012, 254552, 287048, 443398, 482024, 886796, 1686407, 1773592, 2831891, 3193409, 3372814, 5663782, 6386818, 6745628, 11327564, 12773636, 13491256, 22655128, 25547272, 150090223, 300180446, 600360892, 1200721784]

約数ペア:

[(1, 1200721784), (2, 600360892), (4, 300180446), (8, 150090223), (47, 25547272), (53, 22655128), (89, 13491256), (94, 12773636), (106, 11327564), (178, 6745628), (188, 6386818), (212, 5663782), (356, 3372814), (376, 3193409), (424, 2831891), (677, 1773592), (712, 1686407), (1354, 886796), (2491, 482024), (2708, 443398), (4183, 287048), (4717, 254552), (4982, 241012), (5416, 221699), (8366, 143524), (9434, 127276), (9964, 120506), (16732, 71762), (18868, 63638), (19928, 60253), (31819, 37736), (33464, 35881)]