25648376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 55792800

約数和(自身を除く): 30144424

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 89, 104, 136, 163, 178, 221, 326, 356, 442, 652, 712, 884, 1157, 1304, 1513, 1768, 2119, 2314, 2771, 3026, 4238, 4628, 5542, 6052, 8476, 9256, 11084, 12104, 14507, 16952, 19669, 22168, 29014, 36023, 39338, 58028, 72046, 78676, 116056, 144092, 157352, 188591, 246619, 288184, 377182, 493238, 754364, 986476, 1508728, 1972952, 3206047, 6412094, 12824188, 25648376]

約数ペア:

[(1, 25648376), (2, 12824188), (4, 6412094), (8, 3206047), (13, 1972952), (17, 1508728), (26, 986476), (34, 754364), (52, 493238), (68, 377182), (89, 288184), (104, 246619), (136, 188591), (163, 157352), (178, 144092), (221, 116056), (326, 78676), (356, 72046), (442, 58028), (652, 39338), (712, 36023), (884, 29014), (1157, 22168), (1304, 19669), (1513, 16952), (1768, 14507), (2119, 12104), (2314, 11084), (2771, 9256), (3026, 8476), (4238, 6052), (4628, 5542)]