261567712

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:644

約数の個数: 96

約数和(自身を含む): 628689600

約数和(自身を除く): 367121888

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 149, 224, 238, 272, 298, 461, 476, 544, 596, 922, 952, 1043, 1192, 1844, 1904, 2086, 2384, 2533, 3227, 3688, 3808, 4172, 4768, 5066, 6454, 7376, 7837, 8344, 10132, 12908, 14752, 15674, 16688, 17731, 20264, 25816, 31348, 33376, 35462, 40528, 51632, 54859, 62696, 68689, 70924, 81056, 103264, 109718, 125392, 137378, 141848, 219436, 250784, 274756, 283696, 438872, 480823, 549512, 567392, 877744, 961646, 1099024, 1167713, 1755488, 1923292, 2198048, 2335426, 3846584, 4670852, 7693168, 8173991, 9341704, 15386336, 16347982, 18683408, 32695964, 37366816, 65391928, 130783856, 261567712]

約数ペア:

[(1, 261567712), (2, 130783856), (4, 65391928), (7, 37366816), (8, 32695964), (14, 18683408), (16, 16347982), (17, 15386336), (28, 9341704), (32, 8173991), (34, 7693168), (56, 4670852), (68, 3846584), (112, 2335426), (119, 2198048), (136, 1923292), (149, 1755488), (224, 1167713), (238, 1099024), (272, 961646), (298, 877744), (461, 567392), (476, 549512), (544, 480823), (596, 438872), (922, 283696), (952, 274756), (1043, 250784), (1192, 219436), (1844, 141848), (1904, 137378), (2086, 125392), (2384, 109718), (2533, 103264), (3227, 81056), (3688, 70924), (3808, 68689), (4172, 62696), (4768, 54859), (5066, 51632), (6454, 40528), (7376, 35462), (7837, 33376), (8344, 31348), (10132, 25816), (12908, 20264), (14752, 17731), (15674, 16688)]