81589664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 186701760

約数和(自身を除く): 105112096

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 83, 104, 136, 139, 166, 208, 221, 272, 278, 332, 416, 442, 544, 556, 664, 884, 1079, 1112, 1328, 1411, 1768, 1807, 2158, 2224, 2363, 2656, 2822, 3536, 3614, 4316, 4448, 4726, 5644, 7072, 7228, 8632, 9452, 11288, 11537, 14456, 17264, 18343, 18904, 22576, 23074, 28912, 30719, 34528, 36686, 37808, 45152, 46148, 57824, 61438, 73372, 75616, 92296, 122876, 146744, 149981, 184592, 196129, 245752, 293488, 299962, 369184, 392258, 491504, 586976, 599924, 784516, 983008, 1199848, 1569032, 2399696, 2549677, 3138064, 4799392, 5099354, 6276128, 10198708, 20397416, 40794832, 81589664]

約数ペア:

[(1, 81589664), (2, 40794832), (4, 20397416), (8, 10198708), (13, 6276128), (16, 5099354), (17, 4799392), (26, 3138064), (32, 2549677), (34, 2399696), (52, 1569032), (68, 1199848), (83, 983008), (104, 784516), (136, 599924), (139, 586976), (166, 491504), (208, 392258), (221, 369184), (272, 299962), (278, 293488), (332, 245752), (416, 196129), (442, 184592), (544, 149981), (556, 146744), (664, 122876), (884, 92296), (1079, 75616), (1112, 73372), (1328, 61438), (1411, 57824), (1768, 46148), (1807, 45152), (2158, 37808), (2224, 36686), (2363, 34528), (2656, 30719), (2822, 28912), (3536, 23074), (3614, 22576), (4316, 18904), (4448, 18343), (4726, 17264), (5644, 14456), (7072, 11537), (7228, 11288), (8632, 9452)]