78207856

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 155128464

約数和(自身を除く): 76920608

約数列:

[1, 2, 4, 8, 16, 61, 122, 227, 244, 353, 454, 488, 706, 908, 976, 1412, 1816, 2824, 3632, 5648, 13847, 21533, 27694, 43066, 55388, 80131, 86132, 110776, 160262, 172264, 221552, 320524, 344528, 641048, 1282096, 4887991, 9775982, 19551964, 39103928, 78207856]

約数ペア:

[(1, 78207856), (2, 39103928), (4, 19551964), (8, 9775982), (16, 4887991), (61, 1282096), (122, 641048), (227, 344528), (244, 320524), (353, 221552), (454, 172264), (488, 160262), (706, 110776), (908, 86132), (976, 80131), (1412, 55388), (1816, 43066), (2824, 27694), (3632, 21533), (5648, 13847)]