1221901798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2656

約数の個数: 32

約数和(自身を含む): 2002904064

約数和(自身を除く): 781002266

約数列:

[1, 2, 13, 26, 127, 157, 254, 314, 1651, 2041, 2357, 3302, 4082, 4714, 19939, 30641, 39878, 61282, 259207, 299339, 370049, 518414, 598678, 740098, 3891407, 4810637, 7782814, 9621274, 46996223, 93992446, 610950899, 1221901798]

約数ペア:

[(1, 1221901798), (2, 610950899), (13, 93992446), (26, 46996223), (127, 9621274), (157, 7782814), (254, 4810637), (314, 3891407), (1651, 740098), (2041, 598678), (2357, 518414), (3302, 370049), (4082, 299339), (4714, 259207), (19939, 61282), (30641, 39878)]