28714928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 66186240

約数和(自身を除く): 37471312

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 277, 304, 341, 418, 496, 554, 589, 682, 836, 1108, 1178, 1364, 1672, 2216, 2356, 2728, 3047, 3344, 4432, 4712, 5263, 5456, 6094, 6479, 8587, 9424, 10526, 12188, 12958, 17174, 21052, 24376, 25916, 34348, 42104, 48752, 51832, 57893, 68696, 84208, 94457, 103664, 115786, 137392, 163153, 188914, 231572, 326306, 377828, 463144, 652612, 755656, 926288, 1305224, 1511312, 1794683, 2610448, 3589366, 7178732, 14357464, 28714928]

約数ペア:

[(1, 28714928), (2, 14357464), (4, 7178732), (8, 3589366), (11, 2610448), (16, 1794683), (19, 1511312), (22, 1305224), (31, 926288), (38, 755656), (44, 652612), (62, 463144), (76, 377828), (88, 326306), (124, 231572), (152, 188914), (176, 163153), (209, 137392), (248, 115786), (277, 103664), (304, 94457), (341, 84208), (418, 68696), (496, 57893), (554, 51832), (589, 48752), (682, 42104), (836, 34348), (1108, 25916), (1178, 24376), (1364, 21052), (1672, 17174), (2216, 12958), (2356, 12188), (2728, 10526), (3047, 9424), (3344, 8587), (4432, 6479), (4712, 6094), (5263, 5456)]