491323294

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1907}}^1$

素因数の和:2173

約数の個数: 48

約数和(自身を含む): 939651840

約数和(自身を除く): 448328546

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 239, 478, 539, 1078, 1673, 1907, 2629, 3346, 3814, 5258, 11711, 13349, 18403, 20977, 23422, 26698, 36806, 41954, 93443, 128821, 146839, 186886, 257642, 293678, 455773, 911546, 1027873, 2055746, 3190411, 5013503, 6380822, 10027006, 22332877, 35094521, 44665754, 70189042, 245661647, 491323294]

約数ペア:

[(1, 491323294), (2, 245661647), (7, 70189042), (11, 44665754), (14, 35094521), (22, 22332877), (49, 10027006), (77, 6380822), (98, 5013503), (154, 3190411), (239, 2055746), (478, 1027873), (539, 911546), (1078, 455773), (1673, 293678), (1907, 257642), (2629, 186886), (3346, 146839), (3814, 128821), (5258, 93443), (11711, 41954), (13349, 36806), (18403, 26698), (20977, 23422)]