87901788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 230649664

約数和(自身を除く): 142747876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 97, 111, 148, 156, 157, 194, 222, 291, 314, 388, 444, 471, 481, 582, 628, 942, 962, 1164, 1261, 1443, 1884, 1924, 2041, 2522, 2886, 3589, 3783, 4082, 5044, 5772, 5809, 6123, 7178, 7566, 8164, 10767, 11618, 12246, 14356, 15132, 15229, 17427, 21534, 23236, 24492, 30458, 34854, 43068, 45687, 46657, 60916, 69708, 75517, 91374, 93314, 139971, 151034, 182748, 186628, 197977, 226551, 279942, 302068, 395954, 453102, 559884, 563473, 593931, 791908, 906204, 1126946, 1187862, 1690419, 2253892, 2375724, 3380838, 6761676, 7325149, 14650298, 21975447, 29300596, 43950894, 87901788]

約数ペア:

[(1, 87901788), (2, 43950894), (3, 29300596), (4, 21975447), (6, 14650298), (12, 7325149), (13, 6761676), (26, 3380838), (37, 2375724), (39, 2253892), (52, 1690419), (74, 1187862), (78, 1126946), (97, 906204), (111, 791908), (148, 593931), (156, 563473), (157, 559884), (194, 453102), (222, 395954), (291, 302068), (314, 279942), (388, 226551), (444, 197977), (471, 186628), (481, 182748), (582, 151034), (628, 139971), (942, 93314), (962, 91374), (1164, 75517), (1261, 69708), (1443, 60916), (1884, 46657), (1924, 45687), (2041, 43068), (2522, 34854), (2886, 30458), (3589, 24492), (3783, 23236), (4082, 21534), (5044, 17427), (5772, 15229), (5809, 15132), (6123, 14356), (7178, 12246), (7566, 11618), (8164, 10767)]