31211488

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 78382080

約数和(自身を除く): 47170592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 53, 56, 77, 88, 106, 112, 154, 176, 212, 224, 239, 308, 352, 371, 424, 478, 583, 616, 742, 848, 956, 1166, 1232, 1484, 1673, 1696, 1912, 2332, 2464, 2629, 2968, 3346, 3824, 4081, 4664, 5258, 5936, 6692, 7648, 8162, 9328, 10516, 11872, 12667, 13384, 16324, 18403, 18656, 21032, 25334, 26768, 32648, 36806, 42064, 50668, 53536, 65296, 73612, 84128, 88669, 101336, 130592, 139337, 147224, 177338, 202672, 278674, 294448, 354676, 405344, 557348, 588896, 709352, 975359, 1114696, 1418704, 1950718, 2229392, 2837408, 3901436, 4458784, 7802872, 15605744, 31211488]

約数ペア:

[(1, 31211488), (2, 15605744), (4, 7802872), (7, 4458784), (8, 3901436), (11, 2837408), (14, 2229392), (16, 1950718), (22, 1418704), (28, 1114696), (32, 975359), (44, 709352), (53, 588896), (56, 557348), (77, 405344), (88, 354676), (106, 294448), (112, 278674), (154, 202672), (176, 177338), (212, 147224), (224, 139337), (239, 130592), (308, 101336), (352, 88669), (371, 84128), (424, 73612), (478, 65296), (583, 53536), (616, 50668), (742, 42064), (848, 36806), (956, 32648), (1166, 26768), (1232, 25334), (1484, 21032), (1673, 18656), (1696, 18403), (1912, 16324), (2332, 13384), (2464, 12667), (2629, 11872), (2968, 10516), (3346, 9328), (3824, 8162), (4081, 7648), (4664, 6692), (5258, 5936)]