31155488

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:866

約数の個数: 72

約数和(自身を含む): 75999168

約数和(自身を除く): 44843680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 823, 1183, 1352, 1456, 1646, 2366, 2704, 2912, 3292, 4732, 5408, 5761, 6584, 9464, 10699, 11522, 13168, 18928, 21398, 23044, 26336, 37856, 42796, 46088, 74893, 85592, 92176, 139087, 149786, 171184, 184352, 278174, 299572, 342368, 556348, 599144, 973609, 1112696, 1198288, 1947218, 2225392, 2396576, 3894436, 4450784, 7788872, 15577744, 31155488]

約数ペア:

[(1, 31155488), (2, 15577744), (4, 7788872), (7, 4450784), (8, 3894436), (13, 2396576), (14, 2225392), (16, 1947218), (26, 1198288), (28, 1112696), (32, 973609), (52, 599144), (56, 556348), (91, 342368), (104, 299572), (112, 278174), (169, 184352), (182, 171184), (208, 149786), (224, 139087), (338, 92176), (364, 85592), (416, 74893), (676, 46088), (728, 42796), (823, 37856), (1183, 26336), (1352, 23044), (1456, 21398), (1646, 18928), (2366, 13168), (2704, 11522), (2912, 10699), (3292, 9464), (4732, 6584), (5408, 5761)]