7321990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 14325696

約数和(自身を除く): 7003706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 373, 746, 755, 1510, 1865, 1963, 3730, 3926, 4849, 9698, 9815, 19630, 24245, 48490, 56323, 112646, 281615, 563230, 732199, 1464398, 3660995, 7321990]

約数ペア:

[(1, 7321990), (2, 3660995), (5, 1464398), (10, 732199), (13, 563230), (26, 281615), (65, 112646), (130, 56323), (151, 48490), (302, 24245), (373, 19630), (746, 9815), (755, 9698), (1510, 4849), (1865, 3926), (1963, 3730)]