311315144

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 691891200

約数和(自身を除く): 380576056

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 389, 434, 461, 778, 868, 922, 1556, 1736, 1844, 2723, 3112, 3227, 3688, 5446, 6454, 10892, 12059, 12908, 14291, 21784, 24118, 25816, 28582, 48236, 57164, 84413, 96472, 100037, 114328, 168826, 179329, 200074, 337652, 358658, 400148, 675304, 717316, 800296, 1255303, 1434632, 2510606, 5021212, 5559199, 10042424, 11118398, 22236796, 38914393, 44473592, 77828786, 155657572, 311315144]

約数ペア:

[(1, 311315144), (2, 155657572), (4, 77828786), (7, 44473592), (8, 38914393), (14, 22236796), (28, 11118398), (31, 10042424), (56, 5559199), (62, 5021212), (124, 2510606), (217, 1434632), (248, 1255303), (389, 800296), (434, 717316), (461, 675304), (778, 400148), (868, 358658), (922, 337652), (1556, 200074), (1736, 179329), (1844, 168826), (2723, 114328), (3112, 100037), (3227, 96472), (3688, 84413), (5446, 57164), (6454, 48236), (10892, 28582), (12059, 25816), (12908, 24118), (14291, 21784)]