81145372

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 183457008

約数和(自身を除く): 102311636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 61, 77, 98, 122, 154, 196, 244, 308, 427, 539, 617, 671, 854, 1078, 1234, 1342, 1708, 2156, 2468, 2684, 2989, 4319, 4697, 5978, 6787, 8638, 9394, 11956, 13574, 17276, 18788, 27148, 30233, 32879, 37637, 47509, 60466, 65758, 75274, 95018, 120932, 131516, 150548, 190036, 263459, 332563, 414007, 526918, 665126, 828014, 1053836, 1330252, 1656028, 1844213, 2898049, 3688426, 5796098, 7376852, 11592196, 20286343, 40572686, 81145372]

約数ペア:

[(1, 81145372), (2, 40572686), (4, 20286343), (7, 11592196), (11, 7376852), (14, 5796098), (22, 3688426), (28, 2898049), (44, 1844213), (49, 1656028), (61, 1330252), (77, 1053836), (98, 828014), (122, 665126), (154, 526918), (196, 414007), (244, 332563), (308, 263459), (427, 190036), (539, 150548), (617, 131516), (671, 120932), (854, 95018), (1078, 75274), (1234, 65758), (1342, 60466), (1708, 47509), (2156, 37637), (2468, 32879), (2684, 30233), (2989, 27148), (4319, 18788), (4697, 17276), (5978, 13574), (6787, 11956), (8638, 9394)]