64444996

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 145478592

約数和(自身を除く): 81033596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 421, 497, 539, 781, 842, 994, 1078, 1562, 1684, 1988, 2156, 2947, 3124, 3479, 4631, 5467, 5894, 6958, 9262, 10934, 11788, 13916, 18524, 20629, 21868, 29891, 32417, 38269, 41258, 59782, 64834, 76538, 82516, 119564, 129668, 153076, 209237, 226919, 328801, 418474, 453838, 657602, 836948, 907676, 1315204, 1464659, 2301607, 2929318, 4603214, 5858636, 9206428, 16111249, 32222498, 64444996]

約数ペア:

[(1, 64444996), (2, 32222498), (4, 16111249), (7, 9206428), (11, 5858636), (14, 4603214), (22, 2929318), (28, 2301607), (44, 1464659), (49, 1315204), (71, 907676), (77, 836948), (98, 657602), (142, 453838), (154, 418474), (196, 328801), (284, 226919), (308, 209237), (421, 153076), (497, 129668), (539, 119564), (781, 82516), (842, 76538), (994, 64834), (1078, 59782), (1562, 41258), (1684, 38269), (1988, 32417), (2156, 29891), (2947, 21868), (3124, 20629), (3479, 18524), (4631, 13916), (5467, 11788), (5894, 10934), (6958, 9262)]