87970988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 200309760

約数和(自身を除く): 112338772

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 71, 76, 119, 133, 137, 142, 238, 266, 274, 284, 323, 476, 497, 532, 548, 646, 959, 994, 1207, 1292, 1349, 1918, 1988, 2261, 2329, 2414, 2603, 2698, 3836, 4522, 4658, 4828, 5206, 5396, 8449, 9044, 9316, 9443, 9727, 10412, 16303, 16898, 18221, 18886, 19454, 22933, 32606, 33796, 36442, 37772, 38908, 44251, 45866, 65212, 68089, 72884, 88502, 91732, 136178, 160531, 165359, 177004, 184813, 272356, 309757, 321062, 330718, 369626, 619514, 642124, 661436, 739252, 1157513, 1239028, 1293691, 2315026, 2587382, 3141821, 4630052, 5174764, 6283642, 12567284, 21992747, 43985494, 87970988]

約数ペア:

[(1, 87970988), (2, 43985494), (4, 21992747), (7, 12567284), (14, 6283642), (17, 5174764), (19, 4630052), (28, 3141821), (34, 2587382), (38, 2315026), (68, 1293691), (71, 1239028), (76, 1157513), (119, 739252), (133, 661436), (137, 642124), (142, 619514), (238, 369626), (266, 330718), (274, 321062), (284, 309757), (323, 272356), (476, 184813), (497, 177004), (532, 165359), (548, 160531), (646, 136178), (959, 91732), (994, 88502), (1207, 72884), (1292, 68089), (1349, 65212), (1918, 45866), (1988, 44251), (2261, 38908), (2329, 37772), (2414, 36442), (2603, 33796), (2698, 32606), (3836, 22933), (4522, 19454), (4658, 18886), (4828, 18221), (5206, 16898), (5396, 16303), (8449, 10412), (9044, 9727), (9316, 9443)]