401040328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{431}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 849139200

約数和(自身を除く): 448098872

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 389, 431, 598, 778, 862, 1196, 1556, 1724, 2392, 3112, 3448, 5057, 5603, 8947, 9913, 10114, 11206, 17894, 19826, 20228, 22412, 35788, 39652, 40456, 44824, 71576, 79304, 116311, 128869, 167659, 232622, 257738, 335318, 465244, 515476, 670636, 930488, 1030952, 1341272, 2179567, 3856157, 4359134, 7712314, 8718268, 15424628, 17436536, 30849256, 50130041, 100260082, 200520164, 401040328]

約数ペア:

[(1, 401040328), (2, 200520164), (4, 100260082), (8, 50130041), (13, 30849256), (23, 17436536), (26, 15424628), (46, 8718268), (52, 7712314), (92, 4359134), (104, 3856157), (184, 2179567), (299, 1341272), (389, 1030952), (431, 930488), (598, 670636), (778, 515476), (862, 465244), (1196, 335318), (1556, 257738), (1724, 232622), (2392, 167659), (3112, 128869), (3448, 116311), (5057, 79304), (5603, 71576), (8947, 44824), (9913, 40456), (10114, 39652), (11206, 35788), (17894, 22412), (19826, 20228)]