28219864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 60220800

約数和(自身を除く): 32000936

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 67, 68, 76, 134, 136, 152, 163, 268, 323, 326, 536, 646, 652, 1139, 1273, 1292, 1304, 2278, 2546, 2584, 2771, 3097, 4556, 5092, 5542, 6194, 9112, 10184, 10921, 11084, 12388, 21641, 21842, 22168, 24776, 43282, 43684, 52649, 86564, 87368, 105298, 173128, 185657, 207499, 210596, 371314, 414998, 421192, 742628, 829996, 1485256, 1659992, 3527483, 7054966, 14109932, 28219864]

約数ペア:

[(1, 28219864), (2, 14109932), (4, 7054966), (8, 3527483), (17, 1659992), (19, 1485256), (34, 829996), (38, 742628), (67, 421192), (68, 414998), (76, 371314), (134, 210596), (136, 207499), (152, 185657), (163, 173128), (268, 105298), (323, 87368), (326, 86564), (536, 52649), (646, 43684), (652, 43282), (1139, 24776), (1273, 22168), (1292, 21842), (1304, 21641), (2278, 12388), (2546, 11084), (2584, 10921), (2771, 10184), (3097, 9112), (4556, 6194), (5092, 5542)]