642727904

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31531}}^1$

素因数の和:31568

約数の個数: 72

約数和(自身を含む): 1585239768

約数和(自身を除く): 942511864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 20384, 31531, 63062, 126124, 220717, 252248, 409903, 441434, 504496, 819806, 882868, 1008992, 1545019, 1639612, 1765736, 2869321, 3090038, 3279224, 3531472, 5738642, 6180076, 6558448, 7062944, 11477284, 12360152, 13116896, 20085247, 22954568, 24720304, 40170494, 45909136, 49440608, 80340988, 91818272, 160681976, 321363952, 642727904]

約数ペア:

[(1, 642727904), (2, 321363952), (4, 160681976), (7, 91818272), (8, 80340988), (13, 49440608), (14, 45909136), (16, 40170494), (26, 24720304), (28, 22954568), (32, 20085247), (49, 13116896), (52, 12360152), (56, 11477284), (91, 7062944), (98, 6558448), (104, 6180076), (112, 5738642), (182, 3531472), (196, 3279224), (208, 3090038), (224, 2869321), (364, 1765736), (392, 1639612), (416, 1545019), (637, 1008992), (728, 882868), (784, 819806), (1274, 504496), (1456, 441434), (1568, 409903), (2548, 252248), (2912, 220717), (5096, 126124), (10192, 63062), (20384, 31531)]