138393444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{373}}^1\times {\mathrm{631}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 377243328

約数和(自身を除く): 238849884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 373, 588, 631, 746, 1119, 1262, 1492, 1893, 2238, 2524, 2611, 3786, 4417, 4476, 5222, 7572, 7833, 8834, 10444, 13251, 15666, 17668, 18277, 26502, 30919, 31332, 36554, 53004, 54831, 61838, 73108, 92757, 109662, 123676, 185514, 219324, 235363, 371028, 470726, 706089, 941452, 1412178, 1647541, 2824356, 3295082, 4942623, 6590164, 9885246, 11532787, 19770492, 23065574, 34598361, 46131148, 69196722, 138393444]

約数ペア:

[(1, 138393444), (2, 69196722), (3, 46131148), (4, 34598361), (6, 23065574), (7, 19770492), (12, 11532787), (14, 9885246), (21, 6590164), (28, 4942623), (42, 3295082), (49, 2824356), (84, 1647541), (98, 1412178), (147, 941452), (196, 706089), (294, 470726), (373, 371028), (588, 235363), (631, 219324), (746, 185514), (1119, 123676), (1262, 109662), (1492, 92757), (1893, 73108), (2238, 61838), (2524, 54831), (2611, 53004), (3786, 36554), (4417, 31332), (4476, 30919), (5222, 26502), (7572, 18277), (7833, 17668), (8834, 15666), (10444, 13251)]