25091704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 30348296

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 43, 44, 76, 86, 88, 152, 172, 209, 344, 349, 418, 473, 698, 817, 836, 946, 1396, 1634, 1672, 1892, 2792, 3268, 3784, 3839, 6536, 6631, 7678, 8987, 13262, 15007, 15356, 17974, 26524, 30014, 30712, 35948, 53048, 60028, 71896, 72941, 120056, 145882, 165077, 285133, 291764, 330154, 570266, 583528, 660308, 1140532, 1320616, 2281064, 3136463, 6272926, 12545852, 25091704]

約数ペア:

[(1, 25091704), (2, 12545852), (4, 6272926), (8, 3136463), (11, 2281064), (19, 1320616), (22, 1140532), (38, 660308), (43, 583528), (44, 570266), (76, 330154), (86, 291764), (88, 285133), (152, 165077), (172, 145882), (209, 120056), (344, 72941), (349, 71896), (418, 60028), (473, 53048), (698, 35948), (817, 30712), (836, 30014), (946, 26524), (1396, 17974), (1634, 15356), (1672, 15007), (1892, 13262), (2792, 8987), (3268, 7678), (3784, 6631), (3839, 6536)]