201651890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{16223}}^1$

素因数の和:16354

約数の個数: 32

約数和(自身を含む): 399499776

約数和(自身を除く): 197847886

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 2486, 6215, 12430, 16223, 32446, 81115, 162230, 178453, 356906, 892265, 1784530, 1833199, 3666398, 9165995, 18331990, 20165189, 40330378, 100825945, 201651890]

約数ペア:

[(1, 201651890), (2, 100825945), (5, 40330378), (10, 20165189), (11, 18331990), (22, 9165995), (55, 3666398), (110, 1833199), (113, 1784530), (226, 892265), (565, 356906), (1130, 178453), (1243, 162230), (2486, 81115), (6215, 32446), (12430, 16223)]