28120482

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7069}}^1$

素因数の和:7107

約数の個数: 48

約数和(自身を含む): 69483960

約数和(自身を除く): 41363478

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 7069, 14138, 21207, 42414, 63621, 91897, 120173, 127242, 183794, 240346, 275691, 360519, 551382, 721038, 827073, 1081557, 1562249, 1654146, 2163114, 3124498, 4686747, 9373494, 14060241, 28120482]

約数ペア:

[(1, 28120482), (2, 14060241), (3, 9373494), (6, 4686747), (9, 3124498), (13, 2163114), (17, 1654146), (18, 1562249), (26, 1081557), (34, 827073), (39, 721038), (51, 551382), (78, 360519), (102, 275691), (117, 240346), (153, 183794), (221, 127242), (234, 120173), (306, 91897), (442, 63621), (663, 42414), (1326, 21207), (1989, 14138), (3978, 7069)]