248959144

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{22567}}^1$

素因数の和:22777

約数の個数: 32

約数和(自身を含む): 536215680

約数和(自身を除く): 287256536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2758, 5516, 11032, 22567, 45134, 90268, 157969, 180536, 315938, 631876, 1263752, 4445699, 8891398, 17782796, 31119893, 35565592, 62239786, 124479572, 248959144]

約数ペア:

[(1, 248959144), (2, 124479572), (4, 62239786), (7, 35565592), (8, 31119893), (14, 17782796), (28, 8891398), (56, 4445699), (197, 1263752), (394, 631876), (788, 315938), (1379, 180536), (1576, 157969), (2758, 90268), (5516, 45134), (11032, 22567)]