216945154

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2789}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 361584000

約数和(自身を除く): 144638846

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 437, 874, 1691, 2047, 2789, 3382, 4094, 5578, 38893, 52991, 64147, 77786, 105982, 128294, 248221, 496442, 1218793, 2437586, 4716199, 5709083, 9432398, 11418166, 108472577, 216945154]

約数ペア:

[(1, 216945154), (2, 108472577), (19, 11418166), (23, 9432398), (38, 5709083), (46, 4716199), (89, 2437586), (178, 1218793), (437, 496442), (874, 248221), (1691, 128294), (2047, 105982), (2789, 77786), (3382, 64147), (4094, 52991), (5578, 38893)]