78819808

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 159364800

約数和(自身を除く): 80544992

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 149, 244, 271, 298, 488, 542, 596, 976, 1084, 1192, 1952, 2168, 2384, 4336, 4768, 8672, 9089, 16531, 18178, 33062, 36356, 40379, 66124, 72712, 80758, 132248, 145424, 161516, 264496, 290848, 323032, 528992, 646064, 1292128, 2463119, 4926238, 9852476, 19704952, 39409904, 78819808]

約数ペア:

[(1, 78819808), (2, 39409904), (4, 19704952), (8, 9852476), (16, 4926238), (32, 2463119), (61, 1292128), (122, 646064), (149, 528992), (244, 323032), (271, 290848), (298, 264496), (488, 161516), (542, 145424), (596, 132248), (976, 80758), (1084, 72712), (1192, 66124), (1952, 40379), (2168, 36356), (2384, 33062), (4336, 18178), (4768, 16531), (8672, 9089)]