81828608

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 171965808

約数和(自身を除く): 90137200

約数列:

[1, 2, 4, 8, 16, 32, 37, 53, 64, 74, 106, 128, 148, 163, 212, 256, 296, 326, 424, 592, 652, 848, 1184, 1304, 1696, 1961, 2368, 2608, 3392, 3922, 4736, 5216, 6031, 6784, 7844, 8639, 9472, 10432, 12062, 13568, 15688, 17278, 20864, 24124, 31376, 34556, 41728, 48248, 62752, 69112, 96496, 125504, 138224, 192992, 251008, 276448, 319643, 385984, 502016, 552896, 639286, 771968, 1105792, 1278572, 1543936, 2211584, 2557144, 5114288, 10228576, 20457152, 40914304, 81828608]

約数ペア:

[(1, 81828608), (2, 40914304), (4, 20457152), (8, 10228576), (16, 5114288), (32, 2557144), (37, 2211584), (53, 1543936), (64, 1278572), (74, 1105792), (106, 771968), (128, 639286), (148, 552896), (163, 502016), (212, 385984), (256, 319643), (296, 276448), (326, 251008), (424, 192992), (592, 138224), (652, 125504), (848, 96496), (1184, 69112), (1304, 62752), (1696, 48248), (1961, 41728), (2368, 34556), (2608, 31376), (3392, 24124), (3922, 20864), (4736, 17278), (5216, 15688), (6031, 13568), (6784, 12062), (7844, 10432), (8639, 9472)]