28657170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2137}}^1$

素因数の和:2299

約数の個数: 48

約数和(自身を含む): 75043800

約数和(自身を除く): 46386630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 2137, 2235, 2682, 4274, 4470, 6411, 6705, 10685, 12822, 13410, 19233, 21370, 32055, 38466, 64110, 96165, 192330, 318413, 636826, 955239, 1592065, 1910478, 2865717, 3184130, 4776195, 5731434, 9552390, 14328585, 28657170]

約数ペア:

[(1, 28657170), (2, 14328585), (3, 9552390), (5, 5731434), (6, 4776195), (9, 3184130), (10, 2865717), (15, 1910478), (18, 1592065), (30, 955239), (45, 636826), (90, 318413), (149, 192330), (298, 96165), (447, 64110), (745, 38466), (894, 32055), (1341, 21370), (1490, 19233), (2137, 13410), (2235, 12822), (2682, 10685), (4274, 6705), (4470, 6411)]