2191009630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{12689}}^1$

素因数の和:13284

約数の個数: 32

約数和(自身を含む): 4078667520

約数和(自身を除く): 1887657890

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 557, 1114, 2785, 5570, 12689, 17267, 25378, 34534, 63445, 86335, 126890, 172670, 393359, 786718, 1966795, 3933590, 7067773, 14135546, 35338865, 70677730, 219100963, 438201926, 1095504815, 2191009630]

約数ペア:

[(1, 2191009630), (2, 1095504815), (5, 438201926), (10, 219100963), (31, 70677730), (62, 35338865), (155, 14135546), (310, 7067773), (557, 3933590), (1114, 1966795), (2785, 786718), (5570, 393359), (12689, 172670), (17267, 126890), (25378, 86335), (34534, 63445)]