261738148

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13297}}^1$

素因数の和:13364

約数の個数: 48

約数和(自身を含む): 565962880

約数和(自身を除く): 304224732

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2812, 4921, 9842, 13297, 19684, 26594, 53188, 93079, 186158, 252643, 372316, 491989, 505286, 983978, 1010572, 1768501, 1967956, 3443923, 3537002, 6887846, 7074004, 9347791, 13775692, 18695582, 37391164, 65434537, 130869074, 261738148]

約数ペア:

[(1, 261738148), (2, 130869074), (4, 65434537), (7, 37391164), (14, 18695582), (19, 13775692), (28, 9347791), (37, 7074004), (38, 6887846), (74, 3537002), (76, 3443923), (133, 1967956), (148, 1768501), (259, 1010572), (266, 983978), (518, 505286), (532, 491989), (703, 372316), (1036, 252643), (1406, 186158), (2812, 93079), (4921, 53188), (9842, 26594), (13297, 19684)]