390296452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20231}}^1$

素因数の和:20308

約数の個数: 48

約数和(自身を含む): 856541952

約数和(自身を除く): 466245500

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 9646, 19292, 20231, 40462, 80924, 141617, 263003, 283234, 526006, 566468, 1052012, 1072243, 1841021, 2144486, 3682042, 4288972, 7364084, 7505701, 13939159, 15011402, 27878318, 30022804, 55756636, 97574113, 195148226, 390296452]

約数ペア:

[(1, 390296452), (2, 195148226), (4, 97574113), (7, 55756636), (13, 30022804), (14, 27878318), (26, 15011402), (28, 13939159), (52, 7505701), (53, 7364084), (91, 4288972), (106, 3682042), (182, 2144486), (212, 1841021), (364, 1072243), (371, 1052012), (689, 566468), (742, 526006), (1378, 283234), (1484, 263003), (2756, 141617), (4823, 80924), (9646, 40462), (19292, 20231)]