551489588

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 1137312792

約数和(自身を除く): 585823204

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 169, 221, 338, 442, 481, 629, 676, 884, 962, 1258, 1297, 1924, 2516, 2594, 2873, 5188, 5746, 6253, 8177, 11492, 12506, 16354, 16861, 22049, 25012, 32708, 33722, 44098, 47989, 67444, 88196, 95978, 106301, 191956, 212602, 219193, 286637, 425204, 438386, 573274, 623857, 815813, 876772, 1146548, 1247714, 1631626, 2495428, 3263252, 3726281, 7452562, 8110141, 10605569, 14905124, 16220282, 21211138, 32440564, 42422276, 137872397, 275744794, 551489588]

約数ペア:

[(1, 551489588), (2, 275744794), (4, 137872397), (13, 42422276), (17, 32440564), (26, 21211138), (34, 16220282), (37, 14905124), (52, 10605569), (68, 8110141), (74, 7452562), (148, 3726281), (169, 3263252), (221, 2495428), (338, 1631626), (442, 1247714), (481, 1146548), (629, 876772), (676, 815813), (884, 623857), (962, 573274), (1258, 438386), (1297, 425204), (1924, 286637), (2516, 219193), (2594, 212602), (2873, 191956), (5188, 106301), (5746, 95978), (6253, 88196), (8177, 67444), (11492, 47989), (12506, 44098), (16354, 33722), (16861, 32708), (22049, 25012)]