644344974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{393373}}^1$

素因数の和:393401

約数の個数: 48

約数和(自身を含む): 1718257632

約数和(自身を除く): 1073912658

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 393373, 786746, 1180119, 2360238, 2753611, 3540357, 5113849, 5507222, 7080714, 8260833, 10227698, 15341547, 16521666, 24782499, 30683094, 35796943, 46024641, 49564998, 71593886, 92049282, 107390829, 214781658, 322172487, 644344974]

約数ペア:

[(1, 644344974), (2, 322172487), (3, 214781658), (6, 107390829), (7, 92049282), (9, 71593886), (13, 49564998), (14, 46024641), (18, 35796943), (21, 30683094), (26, 24782499), (39, 16521666), (42, 15341547), (63, 10227698), (78, 8260833), (91, 7080714), (117, 5507222), (126, 5113849), (182, 3540357), (234, 2753611), (273, 2360238), (546, 1180119), (819, 786746), (1638, 393373)]