1221566268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{39749}}^1$

素因数の和:39966

約数の個数: 48

約数和(自身を含む): 3085236000

約数和(自身を除く): 1863669732

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 788, 1182, 2364, 2561, 5122, 7683, 10244, 15366, 30732, 39749, 79498, 119247, 158996, 238494, 476988, 516737, 1033474, 1550211, 2066948, 3100422, 6200844, 7830553, 15661106, 23491659, 31322212, 46983318, 93966636, 101797189, 203594378, 305391567, 407188756, 610783134, 1221566268]

約数ペア:

[(1, 1221566268), (2, 610783134), (3, 407188756), (4, 305391567), (6, 203594378), (12, 101797189), (13, 93966636), (26, 46983318), (39, 31322212), (52, 23491659), (78, 15661106), (156, 7830553), (197, 6200844), (394, 3100422), (591, 2066948), (788, 1550211), (1182, 1033474), (2364, 516737), (2561, 476988), (5122, 238494), (7683, 158996), (10244, 119247), (15366, 79498), (30732, 39749)]