778844128

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{607}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 1554989184

約数和(自身を除く): 776145056

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 397, 404, 607, 794, 808, 1214, 1588, 1616, 2428, 3176, 3232, 4856, 6352, 9712, 12704, 19424, 40097, 61307, 80194, 122614, 160388, 240979, 245228, 320776, 481958, 490456, 641552, 963916, 980912, 1283104, 1927832, 1961824, 3855664, 7711328, 24338879, 48677758, 97355516, 194711032, 389422064, 778844128]

約数ペア:

[(1, 778844128), (2, 389422064), (4, 194711032), (8, 97355516), (16, 48677758), (32, 24338879), (101, 7711328), (202, 3855664), (397, 1961824), (404, 1927832), (607, 1283104), (794, 980912), (808, 963916), (1214, 641552), (1588, 490456), (1616, 481958), (2428, 320776), (3176, 245228), (3232, 240979), (4856, 160388), (6352, 122614), (9712, 80194), (12704, 61307), (19424, 40097)]