349539148

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 737843568

約数和(自身を除く): 388304420

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 157, 196, 259, 307, 314, 518, 614, 628, 1036, 1099, 1228, 1813, 2149, 2198, 3626, 4298, 4396, 5809, 7252, 7693, 8596, 11359, 11618, 15043, 15386, 22718, 23236, 30086, 30772, 40663, 45436, 48199, 60172, 79513, 81326, 96398, 159026, 162652, 192796, 284641, 318052, 337393, 556591, 569282, 674786, 1113182, 1138564, 1349572, 1783363, 2226364, 2361751, 3566726, 4723502, 7133452, 9447004, 12483541, 24967082, 49934164, 87384787, 174769574, 349539148]

約数ペア:

[(1, 349539148), (2, 174769574), (4, 87384787), (7, 49934164), (14, 24967082), (28, 12483541), (37, 9447004), (49, 7133452), (74, 4723502), (98, 3566726), (148, 2361751), (157, 2226364), (196, 1783363), (259, 1349572), (307, 1138564), (314, 1113182), (518, 674786), (614, 569282), (628, 556591), (1036, 337393), (1099, 318052), (1228, 284641), (1813, 192796), (2149, 162652), (2198, 159026), (3626, 96398), (4298, 81326), (4396, 79513), (5809, 60172), (7252, 48199), (7693, 45436), (8596, 40663), (11359, 30772), (11618, 30086), (15043, 23236), (15386, 22718)]