78891344

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 185940480

約数和(自身を除く): 107049136

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 131, 133, 152, 262, 266, 283, 304, 524, 532, 566, 917, 1048, 1064, 1132, 1834, 1981, 2096, 2128, 2264, 2489, 3668, 3962, 4528, 4978, 5377, 7336, 7924, 9956, 10754, 14672, 15848, 17423, 19912, 21508, 31696, 34846, 37073, 37639, 39824, 43016, 69692, 74146, 75278, 86032, 139384, 148292, 150556, 259511, 278768, 296584, 301112, 519022, 593168, 602224, 704387, 1038044, 1408774, 2076088, 2817548, 4152176, 4930709, 5635096, 9861418, 11270192, 19722836, 39445672, 78891344]

約数ペア:

[(1, 78891344), (2, 39445672), (4, 19722836), (7, 11270192), (8, 9861418), (14, 5635096), (16, 4930709), (19, 4152176), (28, 2817548), (38, 2076088), (56, 1408774), (76, 1038044), (112, 704387), (131, 602224), (133, 593168), (152, 519022), (262, 301112), (266, 296584), (283, 278768), (304, 259511), (524, 150556), (532, 148292), (566, 139384), (917, 86032), (1048, 75278), (1064, 74146), (1132, 69692), (1834, 43016), (1981, 39824), (2096, 37639), (2128, 37073), (2264, 34846), (2489, 31696), (3668, 21508), (3962, 19912), (4528, 17423), (4978, 15848), (5377, 14672), (7336, 10754), (7924, 9956)]