16978650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8707}}^1$

素因数の和:8735

約数の個数: 48

約数和(自身を含む): 45351264

約数和(自身を除く): 28372614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 8707, 17414, 26121, 43535, 52242, 87070, 113191, 130605, 217675, 226382, 261210, 339573, 435350, 565955, 653025, 679146, 1131910, 1306050, 1697865, 2829775, 3395730, 5659550, 8489325, 16978650]

約数ペア:

[(1, 16978650), (2, 8489325), (3, 5659550), (5, 3395730), (6, 2829775), (10, 1697865), (13, 1306050), (15, 1131910), (25, 679146), (26, 653025), (30, 565955), (39, 435350), (50, 339573), (65, 261210), (75, 226382), (78, 217675), (130, 130605), (150, 113191), (195, 87070), (325, 52242), (390, 43535), (650, 26121), (975, 17414), (1950, 8707)]