81716416

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 112

約数和(自身を含む): 186537600

約数和(自身を除く): 104821184

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 59, 64, 67, 68, 76, 118, 134, 136, 152, 236, 268, 272, 304, 323, 472, 536, 544, 608, 646, 944, 1003, 1072, 1088, 1121, 1139, 1216, 1273, 1292, 1888, 2006, 2144, 2242, 2278, 2546, 2584, 3776, 3953, 4012, 4288, 4484, 4556, 5092, 5168, 7906, 8024, 8968, 9112, 10184, 10336, 15812, 16048, 17936, 18224, 19057, 20368, 20672, 21641, 31624, 32096, 35872, 36448, 38114, 40736, 43282, 63248, 64192, 67201, 71744, 72896, 75107, 76228, 81472, 86564, 126496, 134402, 150214, 152456, 173128, 252992, 268804, 300428, 304912, 346256, 537608, 600856, 609824, 692512, 1075216, 1201712, 1219648, 1276819, 1385024, 2150432, 2403424, 2553638, 4300864, 4806848, 5107276, 10214552, 20429104, 40858208, 81716416]

約数ペア:

[(1, 81716416), (2, 40858208), (4, 20429104), (8, 10214552), (16, 5107276), (17, 4806848), (19, 4300864), (32, 2553638), (34, 2403424), (38, 2150432), (59, 1385024), (64, 1276819), (67, 1219648), (68, 1201712), (76, 1075216), (118, 692512), (134, 609824), (136, 600856), (152, 537608), (236, 346256), (268, 304912), (272, 300428), (304, 268804), (323, 252992), (472, 173128), (536, 152456), (544, 150214), (608, 134402), (646, 126496), (944, 86564), (1003, 81472), (1072, 76228), (1088, 75107), (1121, 72896), (1139, 71744), (1216, 67201), (1273, 64192), (1292, 63248), (1888, 43282), (2006, 40736), (2144, 38114), (2242, 36448), (2278, 35872), (2546, 32096), (2584, 31624), (3776, 21641), (3953, 20672), (4012, 20368), (4288, 19057), (4484, 18224), (4556, 17936), (5092, 16048), (5168, 15812), (7906, 10336), (8024, 10184), (8968, 9112)]