440448918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42457}}^1$

素因数の和:42501

約数の個数: 64

約数和(自身を含む): 1141271040

約数和(自身を除く): 700822122

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 42457, 84914, 127371, 254742, 297199, 551941, 594398, 806683, 891597, 1103882, 1613366, 1655823, 1783194, 2420049, 3311646, 3863587, 4840098, 5646781, 7727174, 10486879, 11293562, 11590761, 16940343, 20973758, 23181522, 31460637, 33880686, 62921274, 73408153, 146816306, 220224459, 440448918]

約数ペア:

[(1, 440448918), (2, 220224459), (3, 146816306), (6, 73408153), (7, 62921274), (13, 33880686), (14, 31460637), (19, 23181522), (21, 20973758), (26, 16940343), (38, 11590761), (39, 11293562), (42, 10486879), (57, 7727174), (78, 5646781), (91, 4840098), (114, 3863587), (133, 3311646), (182, 2420049), (247, 1783194), (266, 1655823), (273, 1613366), (399, 1103882), (494, 891597), (546, 806683), (741, 594398), (798, 551941), (1482, 297199), (1729, 254742), (3458, 127371), (5187, 84914), (10374, 42457)]