28208492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 55417824

約数和(自身を除く): 27209332

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 101, 131, 164, 202, 262, 404, 524, 533, 1066, 1313, 1703, 2132, 2626, 3406, 4141, 5252, 5371, 6812, 8282, 10742, 13231, 16564, 21484, 26462, 52924, 53833, 69823, 107666, 139646, 172003, 215332, 279292, 344006, 542471, 688012, 1084942, 2169884, 7052123, 14104246, 28208492]

約数ペア:

[(1, 28208492), (2, 14104246), (4, 7052123), (13, 2169884), (26, 1084942), (41, 688012), (52, 542471), (82, 344006), (101, 279292), (131, 215332), (164, 172003), (202, 139646), (262, 107666), (404, 69823), (524, 53833), (533, 52924), (1066, 26462), (1313, 21484), (1703, 16564), (2132, 13231), (2626, 10742), (3406, 8282), (4141, 6812), (5252, 5371)]