28111290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 71165952

約数和(自身を除く): 43054662

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 131, 138, 230, 262, 311, 345, 393, 622, 655, 690, 786, 933, 1310, 1555, 1866, 1965, 3013, 3110, 3930, 4665, 6026, 7153, 9039, 9330, 14306, 15065, 18078, 21459, 30130, 35765, 40741, 42918, 45195, 71530, 81482, 90390, 107295, 122223, 203705, 214590, 244446, 407410, 611115, 937043, 1222230, 1874086, 2811129, 4685215, 5622258, 9370430, 14055645, 28111290]

約数ペア:

[(1, 28111290), (2, 14055645), (3, 9370430), (5, 5622258), (6, 4685215), (10, 2811129), (15, 1874086), (23, 1222230), (30, 937043), (46, 611115), (69, 407410), (115, 244446), (131, 214590), (138, 203705), (230, 122223), (262, 107295), (311, 90390), (345, 81482), (393, 71530), (622, 45195), (655, 42918), (690, 40741), (786, 35765), (933, 30130), (1310, 21459), (1555, 18078), (1866, 15065), (1965, 14306), (3013, 9330), (3110, 9039), (3930, 7153), (4665, 6026)]