2177890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1523}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 4608576

約数和(自身を除く): 2430686

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1523, 3046, 7615, 15230, 16753, 19799, 33506, 39598, 83765, 98995, 167530, 197990, 217789, 435578, 1088945, 2177890]

約数ペア:

[(1, 2177890), (2, 1088945), (5, 435578), (10, 217789), (11, 197990), (13, 167530), (22, 98995), (26, 83765), (55, 39598), (65, 33506), (110, 19799), (130, 16753), (143, 15230), (286, 7615), (715, 3046), (1430, 1523)]