28665390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2425

約数の個数: 64

約数和(自身を含む): 76511232

約数和(自身を除く): 47845842

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2371, 2418, 4030, 4742, 6045, 7113, 11855, 12090, 14226, 23710, 30823, 35565, 61646, 71130, 73501, 92469, 147002, 154115, 184938, 220503, 308230, 367505, 441006, 462345, 735010, 924690, 955513, 1102515, 1911026, 2205030, 2866539, 4777565, 5733078, 9555130, 14332695, 28665390]

約数ペア:

[(1, 28665390), (2, 14332695), (3, 9555130), (5, 5733078), (6, 4777565), (10, 2866539), (13, 2205030), (15, 1911026), (26, 1102515), (30, 955513), (31, 924690), (39, 735010), (62, 462345), (65, 441006), (78, 367505), (93, 308230), (130, 220503), (155, 184938), (186, 154115), (195, 147002), (310, 92469), (390, 73501), (403, 71130), (465, 61646), (806, 35565), (930, 30823), (1209, 23710), (2015, 14226), (2371, 12090), (2418, 11855), (4030, 7113), (4742, 6045)]