778829716

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 1620259200

約数和(自身を除く): 841429484

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 179, 196, 281, 316, 358, 553, 562, 716, 1106, 1124, 1253, 1967, 2212, 2506, 3871, 3934, 5012, 7742, 7868, 8771, 13769, 14141, 15484, 17542, 22199, 27538, 28282, 35084, 44398, 50299, 55076, 56564, 88796, 98987, 100598, 155393, 197974, 201196, 310786, 352093, 395948, 621572, 692909, 704186, 1087751, 1385818, 1408372, 2175502, 2464651, 2771636, 3973621, 4351004, 4929302, 7947242, 9858604, 15894484, 27815347, 55630694, 111261388, 194707429, 389414858, 778829716]

約数ペア:

[(1, 778829716), (2, 389414858), (4, 194707429), (7, 111261388), (14, 55630694), (28, 27815347), (49, 15894484), (79, 9858604), (98, 7947242), (158, 4929302), (179, 4351004), (196, 3973621), (281, 2771636), (316, 2464651), (358, 2175502), (553, 1408372), (562, 1385818), (716, 1087751), (1106, 704186), (1124, 692909), (1253, 621572), (1967, 395948), (2212, 352093), (2506, 310786), (3871, 201196), (3934, 197974), (5012, 155393), (7742, 100598), (7868, 98987), (8771, 88796), (13769, 56564), (14141, 55076), (15484, 50299), (17542, 44398), (22199, 35084), (27538, 28282)]