207680908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 397492704

約数和(自身を除く): 189811796

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 163, 164, 326, 457, 652, 697, 914, 1394, 1828, 2771, 2788, 5542, 6683, 7769, 11084, 13366, 15538, 18737, 26732, 31076, 37474, 74491, 74948, 113611, 148982, 227222, 297964, 318529, 454444, 637058, 1266347, 1274116, 2532694, 3054131, 5065388, 6108262, 12216524, 51920227, 103840454, 207680908]

約数ペア:

[(1, 207680908), (2, 103840454), (4, 51920227), (17, 12216524), (34, 6108262), (41, 5065388), (68, 3054131), (82, 2532694), (163, 1274116), (164, 1266347), (326, 637058), (457, 454444), (652, 318529), (697, 297964), (914, 227222), (1394, 148982), (1828, 113611), (2771, 74948), (2788, 74491), (5542, 37474), (6683, 31076), (7769, 26732), (11084, 18737), (13366, 15538)]